Year 10 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 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 — Practice Set 2 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $540 to $864. Find the percentage increase.
Answer: 60%
- Change = 864 − 540 = 324
- 324 ÷ 540 × 100 = 60%
2.A price changes from $120 to $168. Find the percentage increase.
Answer: 40%
- Change = 168 − 120 = 48
- 48 ÷ 120 × 100 = 40%
3.A price changes from $480 to $432. Find the percentage decrease.
Answer: 10%
- Change = 480 − 432 = 48
- 48 ÷ 480 × 100 = 10%
4.A price changes from $500 to $575. Find the percentage increase.
Answer: 15%
- Change = 575 − 500 = 75
- 75 ÷ 500 × 100 = 15%
5.A price changes from $160 to $152. Find the percentage decrease.
Answer: 5%
- Change = 160 − 152 = 8
- 8 ÷ 160 × 100 = 5%
6.A price changes from $480 to $384. Find the percentage decrease.
Answer: 20%
- Change = 480 − 384 = 96
- 96 ÷ 480 × 100 = 20%
7.A price changes from $280 to $294. Find the percentage increase.
Answer: 5%
- Change = 294 − 280 = 14
- 14 ÷ 280 × 100 = 5%
8.A price changes from $80 to $60. Find the percentage decrease.
Answer: 25%
- Change = 80 − 60 = 20
- 20 ÷ 80 × 100 = 25%
9.A price changes from $560 to $784. Find the percentage increase.
Answer: 40%
- Change = 784 − 560 = 224
- 224 ÷ 560 × 100 = 40%
10.A price changes from $780 to $663. Find the percentage decrease.
Answer: 15%
- Change = 780 − 663 = 117
- 117 ÷ 780 × 100 = 15%
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