[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-637437-105":59,"doc-detail-637437-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","percentage-change-word-problems-2-work-out-the-percentage-change","Percentage Change Word Problems 2 - Work out the percentage change","","Set of six percentage change questions focusing on finding decreases and increases in everyday contexts. Students calculate percentage change for temperature drop, wage rise, increase in amplifier output, price reduction of a drone, typing speed improvement, and rainfall change between two months. Working is shown with subtraction, division by the original value, multiplication by 100, and answers rounded to 1 decimal place when needed.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/percentage-change-word-problems-2-work-out-the-percentage-change/637437/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/percentage-change-word-problems-2-work-out-the-percentage-change/637437.png","ImageObject",300,407,{"name":92,"@type":93},"A glass of water","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How do you calculate percentage change for an increase or decrease?","Question",{"text":112,"@type":113},"Compute the difference (new minus original), divide by the original amount, then multiply by 100. Round to 1 decimal place if needed.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What is the percentage change when the temperature falls from 52°F to 36°F?",{"text":117,"@type":113},"The percentage change is -30.8%, meaning a 30.8% decrease.",{"name":119,"@type":110,"acceptedAnswer":120},"How do you find the rainfall percentage change between April (3.60 inches) and May (5.15 inches)?",{"text":121,"@type":113},"Use (5.15 - 3.60) ÷ 3.60 × 100 to get 43.1%, which is a 43.1% increase in rainfall.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},637437,1792903676,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":24},962090760832,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","PERCENTAGE CHANGE WORD PROBLEMS 2  \nWork out the percentage change. Give your answers to 1 decimal place if needed.  \n\n| Working out |  |  |  |\n| --- | --- | --- | --- |\n| 1) The temperature in New York\u003Cbr>is 52°F.\u003Cbr>It falls to 36°F overnight. |  | |  |\n| What is the percentage change? |  |  |  |\n| 2) Sally earns $14 per hour working\u003Cbr>in a library. She gets a pay rise\u003Cbr>and now earns $17 an hour. | |  |  |\n| What is the percentage change? |  |  |  |\n| 3) Frazer has a bluetooth amp with a\u003Cbr>30 watt output for his electric guitar.\u003Cbr>He trades it in for a 50 watt amp. |  |  | |\n| What is the percentage change in output? |  |  |  |\n| 4) A drone is reduced in price from $75 to $49.\u003Cbr>|  |  |  |\n| What is the percentage change? |  |  |  |\n| 5) After a touch typing course, Captains typing speed improves from 16 words per minute to 21 words per minute. |  |  |  |\n| What is the percentage change? |  |  |  |\n| 6) In April the average monthly\u003Cbr>rainfall is 3.60 inches.\u003Cbr>In May it is 5.15 inches. | |  |  |\n| What is the percentage change in rainfall between\u003Cbr>April and May? |  |  |  |\n\nPERCENTAGE CHANGE WORD PROBLEMS 2 ANSWERS  \nWork out the percentage change. Give your answers to 1 decimal place if needed.  \n\n| Working out |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- |\n| 1) The temperature in New York is 52°F.\u003Cbr>It falls to 36°F overnight. |  |  | |  |  | 36 – 52 = -16\u003Cbr>-16 ÷ 52 = -0.3076…\u003Cbr>-0.3076 x 100 = -30.76 |\n| What is the percentage change? |  |  |  |  | -30.8% . There is a 30.8% decrease |  |\n| 2) Sally earns $14 per hour working in a library. She gets a pay rise and now earns $17 an hour. |  | |  |  |  | 17 – 14 = 3\u003Cbr>3 ÷ 14 = 0.2142…\u003Cbr>0.2142 x 100 = 21.42 |\n| What is the percentage change? |  |  |  |  | 21.4% increase in pay |  |\n| 3) Frazer has a bluetooth amp with a\u003Cbr>30 watt output for his electric guitar. He trades it in for a 50 watt amp. |  |  |  | |  | 50 – 30 = 20\u003Cbr>20 ÷ 30 = 0.6666…\u003Cbr>0.6666 x 100 = 66.66 |\n| What is the percentage change in output? 66.7% increase in output |  |  |  |  |  |  |\n| 4) A drone is reduced in price from $75 to $49. 49 – 75 = -26\u003Cbr>-26 ÷ 75 = -0.3466…\u003Cbr>-0.3466 x 100 = -34.66\u003Cbr>|  |  |  |  |  |  |\n|  | What is the percentage change? |  |  |  |  | -34.7%(or a decrease of 34.7%) |\n| 5) | After a touch typing course, Captains typing |  |  |  |  | 21 – 16 = 5 |\n|  | speed improves from 16 words per minute to 21 |  |  |  |  | 5 ÷ 16 = 0.3125 |\n|  | words per minute. |  |  |  |  | 0.3125 x 100 = 31.25 |\n|  | What is the percentage change? |  |  |  |  | A 31.3% improvement |\n| 6) In April the average monthly rainfall is 3.60 inches. In May it is 5.15 inches. |  | |  |  |  | 5.15 – 3.60 = 1.55\u003Cbr>1.55 ÷ 3.60 = 0.4305…\u003Cbr>0.4305 x 100 = 43.05 |\n| What is the percentage change in rainfall between April and May? |  |  |  |  | A 43.1% increase in rainfall |  |","cbCaioAKVLkZ4S2Y","https://ap.wps.com/l/cbCaioAKVLkZ4S2Y","pdf",240074,"English","# Working out\n## Percentage change questions 1-6\n# Answers\n## Percentage change solutions 1-6","[{\"question\":\"How do you calculate percentage change for an increase or decrease?\",\"answer\":\"Compute the difference (new minus original), divide by the original amount, then multiply by 100. Round to 1 decimal place if needed.\"},{\"question\":\"What is the percentage change when the temperature falls from 52°F to 36°F?\",\"answer\":\"The percentage change is -30.8%, meaning a 30.8% decrease.\"},{\"question\":\"How do you find the rainfall percentage change between April (3.60 inches) and May (5.15 inches)?\",\"answer\":\"Use (5.15 - 3.60) ÷ 3.60 × 100 to get 43.1%, which is a 43.1% increase in rainfall.\"}]","Percentage Change Word Problems 2 - Work out the percentage change | PDF",1792680540]