Year 11 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 11 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 11 · Mathematics · PercentagesYear 11 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 $440 to $264. Find the percentage decrease.
Answer: 40%
- Change = 440 − 264 = 176
- 176 ÷ 440 × 100 = 40%
2.A price changes from $160 to $64. Find the percentage decrease.
Answer: 60%
- Change = 160 − 64 = 96
- 96 ÷ 160 × 100 = 60%
3.A price changes from $480 to $672. Find the percentage increase.
Answer: 40%
- Change = 672 − 480 = 192
- 192 ÷ 480 × 100 = 40%
4.A price changes from $280 to $252. Find the percentage decrease.
Answer: 10%
- Change = 280 − 252 = 28
- 28 ÷ 280 × 100 = 10%
5.A price changes from $540 to $594. Find the percentage increase.
Answer: 10%
- Change = 594 − 540 = 54
- 54 ÷ 540 × 100 = 10%
6.A price changes from $120 to $168. Find the percentage increase.
Answer: 40%
- Change = 168 − 120 = 48
- 48 ÷ 120 × 100 = 40%
7.A price changes from $220 to $242. Find the percentage increase.
Answer: 10%
- Change = 242 − 220 = 22
- 22 ÷ 220 × 100 = 10%
8.A price changes from $780 to $312. Find the percentage decrease.
Answer: 60%
- Change = 780 − 312 = 468
- 468 ÷ 780 × 100 = 60%
9.A price changes from $180 to $108. Find the percentage decrease.
Answer: 40%
- Change = 180 − 108 = 72
- 72 ÷ 180 × 100 = 40%
10.A price changes from $220 to $187. Find the percentage decrease.
Answer: 15%
- Change = 220 − 187 = 33
- 33 ÷ 220 × 100 = 15%
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