Year 7 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 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 — Practice Set 2 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $700 to $595. Find the percentage decrease.
Answer: 15%
- Change = 700 − 595 = 105
- 105 ÷ 700 × 100 = 15%
2.A price changes from $680 to $170. Find the percentage decrease.
Answer: 75%
- Change = 680 − 170 = 510
- 510 ÷ 680 × 100 = 75%
3.A price changes from $40 to $36. Find the percentage decrease.
Answer: 10%
- Change = 40 − 36 = 4
- 4 ÷ 40 × 100 = 10%
4.A price changes from $300 to $315. Find the percentage increase.
Answer: 5%
- Change = 315 − 300 = 15
- 15 ÷ 300 × 100 = 5%
5.A price changes from $300 to $225. Find the percentage decrease.
Answer: 25%
- Change = 300 − 225 = 75
- 75 ÷ 300 × 100 = 25%
6.A price changes from $560 to $896. Find the percentage increase.
Answer: 60%
- Change = 896 − 560 = 336
- 336 ÷ 560 × 100 = 60%
7.A price changes from $360 to $216. Find the percentage decrease.
Answer: 40%
- Change = 360 − 216 = 144
- 144 ÷ 360 × 100 = 40%
8.A price changes from $320 to $256. Find the percentage decrease.
Answer: 20%
- Change = 320 − 256 = 64
- 64 ÷ 320 × 100 = 20%
9.A price changes from $580 to $522. Find the percentage decrease.
Answer: 10%
- Change = 580 − 522 = 58
- 58 ÷ 580 × 100 = 10%
10.A price changes from $580 to $928. Find the percentage increase.
Answer: 60%
- Change = 928 − 580 = 348
- 348 ÷ 580 × 100 = 60%
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