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 $400 to $460. Find the percentage increase.
Answer: 15%
- Change = 460 − 400 = 60
- 60 ÷ 400 × 100 = 15%
2.A price changes from $260 to $416. Find the percentage increase.
Answer: 60%
- Change = 416 − 260 = 156
- 156 ÷ 260 × 100 = 60%
3.A price changes from $320 to $80. Find the percentage decrease.
Answer: 75%
- Change = 320 − 80 = 240
- 240 ÷ 320 × 100 = 75%
4.A price changes from $460 to $644. Find the percentage increase.
Answer: 40%
- Change = 644 − 460 = 184
- 184 ÷ 460 × 100 = 40%
5.A price changes from $340 to $255. Find the percentage decrease.
Answer: 25%
- Change = 340 − 255 = 85
- 85 ÷ 340 × 100 = 25%
6.A price changes from $180 to $171. Find the percentage decrease.
Answer: 5%
- Change = 180 − 171 = 9
- 9 ÷ 180 × 100 = 5%
7.A price changes from $760 to $608. Find the percentage decrease.
Answer: 20%
- Change = 760 − 608 = 152
- 152 ÷ 760 × 100 = 20%
8.A price changes from $280 to $322. Find the percentage increase.
Answer: 15%
- Change = 322 − 280 = 42
- 42 ÷ 280 × 100 = 15%
9.A price changes from $760 to $570. Find the percentage decrease.
Answer: 25%
- Change = 760 − 570 = 190
- 190 ÷ 760 × 100 = 25%
10.A price changes from $60 to $69. Find the percentage increase.
Answer: 15%
- Change = 69 − 60 = 9
- 9 ÷ 60 × 100 = 15%
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