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 $100 to $90. Find the percentage decrease.
Answer: 10%
- Change = 100 − 90 = 10
- 10 ÷ 100 × 100 = 10%
2.A price changes from $720 to $180. Find the percentage decrease.
Answer: 75%
- Change = 720 − 180 = 540
- 540 ÷ 720 × 100 = 75%
3.A price changes from $80 to $72. Find the percentage decrease.
Answer: 10%
- Change = 80 − 72 = 8
- 8 ÷ 80 × 100 = 10%
4.A price changes from $300 to $270. Find the percentage decrease.
Answer: 10%
- Change = 300 − 270 = 30
- 30 ÷ 300 × 100 = 10%
5.A price changes from $660 to $792. Find the percentage increase.
Answer: 20%
- Change = 792 − 660 = 132
- 132 ÷ 660 × 100 = 20%
6.A price changes from $380 to $399. Find the percentage increase.
Answer: 5%
- Change = 399 − 380 = 19
- 19 ÷ 380 × 100 = 5%
7.A price changes from $260 to $195. Find the percentage decrease.
Answer: 25%
- Change = 260 − 195 = 65
- 65 ÷ 260 × 100 = 25%
8.A price changes from $580 to $406. Find the percentage decrease.
Answer: 30%
- Change = 580 − 406 = 174
- 174 ÷ 580 × 100 = 30%
9.A price changes from $600 to $240. Find the percentage decrease.
Answer: 60%
- Change = 600 − 240 = 360
- 360 ÷ 600 × 100 = 60%
10.A price changes from $480 to $456. Find the percentage decrease.
Answer: 5%
- Change = 480 − 456 = 24
- 24 ÷ 480 × 100 = 5%
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