Year 10 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 4 — 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 4 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $200 to $120. Find the percentage decrease.
Answer: 40%
- Change = 200 − 120 = 80
- 80 ÷ 200 × 100 = 40%
2.A price changes from $200 to $50. Find the percentage decrease.
Answer: 75%
- Change = 200 − 50 = 150
- 150 ÷ 200 × 100 = 75%
3.A price changes from $200 to $320. Find the percentage increase.
Answer: 60%
- Change = 320 − 200 = 120
- 120 ÷ 200 × 100 = 60%
4.A price changes from $600 to $360. Find the percentage decrease.
Answer: 40%
- Change = 600 − 360 = 240
- 240 ÷ 600 × 100 = 40%
5.A price changes from $240 to $300. Find the percentage increase.
Answer: 25%
- Change = 300 − 240 = 60
- 60 ÷ 240 × 100 = 25%
6.A price changes from $600 to $720. Find the percentage increase.
Answer: 20%
- Change = 720 − 600 = 120
- 120 ÷ 600 × 100 = 20%
7.A price changes from $120 to $132. Find the percentage increase.
Answer: 10%
- Change = 132 − 120 = 12
- 12 ÷ 120 × 100 = 10%
8.A price changes from $260 to $364. Find the percentage increase.
Answer: 40%
- Change = 364 − 260 = 104
- 104 ÷ 260 × 100 = 40%
9.A price changes from $460 to $506. Find the percentage increase.
Answer: 10%
- Change = 506 − 460 = 46
- 46 ÷ 460 × 100 = 10%
10.A price changes from $120 to $144. Find the percentage increase.
Answer: 20%
- Change = 144 − 120 = 24
- 24 ÷ 120 × 100 = 20%
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