Year 7 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 7 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · PercentagesYear 7 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $800 to $320. Find the percentage decrease.
Answer: 60%
- Change = 800 − 320 = 480
- 480 ÷ 800 × 100 = 60%
2.A price changes from $360 to $468. Find the percentage increase.
Answer: 30%
- Change = 468 − 360 = 108
- 108 ÷ 360 × 100 = 30%
3.A price changes from $420 to $672. Find the percentage increase.
Answer: 60%
- Change = 672 − 420 = 252
- 252 ÷ 420 × 100 = 60%
4.A price changes from $600 to $510. Find the percentage decrease.
Answer: 15%
- Change = 600 − 510 = 90
- 90 ÷ 600 × 100 = 15%
5.A price changes from $440 to $528. Find the percentage increase.
Answer: 20%
- Change = 528 − 440 = 88
- 88 ÷ 440 × 100 = 20%
6.A price changes from $60 to $42. Find the percentage decrease.
Answer: 30%
- Change = 60 − 42 = 18
- 18 ÷ 60 × 100 = 30%
7.A price changes from $400 to $380. Find the percentage decrease.
Answer: 5%
- Change = 400 − 380 = 20
- 20 ÷ 400 × 100 = 5%
8.A price changes from $620 to $589. Find the percentage decrease.
Answer: 5%
- Change = 620 − 589 = 31
- 31 ÷ 620 × 100 = 5%
9.A price changes from $280 to $266. Find the percentage decrease.
Answer: 5%
- Change = 280 − 266 = 14
- 14 ÷ 280 × 100 = 5%
10.A price changes from $440 to $110. Find the percentage decrease.
Answer: 75%
- Change = 440 − 110 = 330
- 330 ÷ 440 × 100 = 75%
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