Year 10 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 10 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 10 · Mathematics · PercentagesYear 10 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 $520 to $728. Find the percentage increase.
Answer: 40%
- Change = 728 − 520 = 208
- 208 ÷ 520 × 100 = 40%
2.A price changes from $760 to $532. Find the percentage decrease.
Answer: 30%
- Change = 760 − 532 = 228
- 228 ÷ 760 × 100 = 30%
3.A price changes from $400 to $240. Find the percentage decrease.
Answer: 40%
- Change = 400 − 240 = 160
- 160 ÷ 400 × 100 = 40%
4.A price changes from $720 to $432. Find the percentage decrease.
Answer: 40%
- Change = 720 − 432 = 288
- 288 ÷ 720 × 100 = 40%
5.A price changes from $800 to $920. Find the percentage increase.
Answer: 15%
- Change = 920 − 800 = 120
- 120 ÷ 800 × 100 = 15%
6.A price changes from $780 to $312. Find the percentage decrease.
Answer: 60%
- Change = 780 − 312 = 468
- 468 ÷ 780 × 100 = 60%
7.A price changes from $500 to $875. Find the percentage increase.
Answer: 75%
- Change = 875 − 500 = 375
- 375 ÷ 500 × 100 = 75%
8.A price changes from $180 to $189. Find the percentage increase.
Answer: 5%
- Change = 189 − 180 = 9
- 9 ÷ 180 × 100 = 5%
9.A price changes from $60 to $69. Find the percentage increase.
Answer: 15%
- Change = 69 − 60 = 9
- 9 ÷ 60 × 100 = 15%
10.A price changes from $320 to $560. Find the percentage increase.
Answer: 75%
- Change = 560 − 320 = 240
- 240 ÷ 320 × 100 = 75%
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