Year 7 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 3 — 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 — Practice Set 3 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $740 to $1295. Find the percentage increase.
Answer: 75%
- Change = 1295 − 740 = 555
- 555 ÷ 740 × 100 = 75%
2.A price changes from $360 to $432. Find the percentage increase.
Answer: 20%
- Change = 432 − 360 = 72
- 72 ÷ 360 × 100 = 20%
3.A price changes from $480 to $288. Find the percentage decrease.
Answer: 40%
- Change = 480 − 288 = 192
- 192 ÷ 480 × 100 = 40%
4.A price changes from $540 to $648. Find the percentage increase.
Answer: 20%
- Change = 648 − 540 = 108
- 108 ÷ 540 × 100 = 20%
5.A price changes from $340 to $204. Find the percentage decrease.
Answer: 40%
- Change = 340 − 204 = 136
- 136 ÷ 340 × 100 = 40%
6.A price changes from $760 to $190. Find the percentage decrease.
Answer: 75%
- Change = 760 − 190 = 570
- 570 ÷ 760 × 100 = 75%
7.A price changes from $400 to $280. Find the percentage decrease.
Answer: 30%
- Change = 400 − 280 = 120
- 120 ÷ 400 × 100 = 30%
8.A price changes from $700 to $280. Find the percentage decrease.
Answer: 60%
- Change = 700 − 280 = 420
- 420 ÷ 700 × 100 = 60%
9.A price changes from $400 to $560. Find the percentage increase.
Answer: 40%
- Change = 560 − 400 = 160
- 160 ÷ 400 × 100 = 40%
10.A price changes from $440 to $264. Find the percentage decrease.
Answer: 40%
- Change = 440 − 264 = 176
- 176 ÷ 440 × 100 = 40%
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