Year 7 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 7 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · PercentagesYear 7 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 $364. Find the percentage decrease.
Answer: 30%
- Change = 520 − 364 = 156
- 156 ÷ 520 × 100 = 30%
2.A price changes from $400 to $340. Find the percentage decrease.
Answer: 15%
- Change = 400 − 340 = 60
- 60 ÷ 400 × 100 = 15%
3.A price changes from $760 to $1064. Find the percentage increase.
Answer: 40%
- Change = 1064 − 760 = 304
- 304 ÷ 760 × 100 = 40%
4.A price changes from $100 to $80. Find the percentage decrease.
Answer: 20%
- Change = 100 − 80 = 20
- 20 ÷ 100 × 100 = 20%
5.A price changes from $680 to $1190. Find the percentage increase.
Answer: 75%
- Change = 1190 − 680 = 510
- 510 ÷ 680 × 100 = 75%
6.A price changes from $340 to $476. Find the percentage increase.
Answer: 40%
- Change = 476 − 340 = 136
- 136 ÷ 340 × 100 = 40%
7.A price changes from $60 to $45. Find the percentage decrease.
Answer: 25%
- Change = 60 − 45 = 15
- 15 ÷ 60 × 100 = 25%
8.A price changes from $160 to $168. Find the percentage increase.
Answer: 5%
- Change = 168 − 160 = 8
- 8 ÷ 160 × 100 = 5%
9.A price changes from $180 to $153. Find the percentage decrease.
Answer: 15%
- Change = 180 − 153 = 27
- 27 ÷ 180 × 100 = 15%
10.A price changes from $520 to $676. Find the percentage increase.
Answer: 30%
- Change = 676 − 520 = 156
- 156 ÷ 520 × 100 = 30%
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