Year 8 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · PercentagesYear 8 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 $160 to $144. Find the percentage decrease.
Answer: 10%
- Change = 160 − 144 = 16
- 16 ÷ 160 × 100 = 10%
2.A price changes from $440 to $110. Find the percentage decrease.
Answer: 75%
- Change = 440 − 110 = 330
- 330 ÷ 440 × 100 = 75%
3.A price changes from $300 to $210. Find the percentage decrease.
Answer: 30%
- Change = 300 − 210 = 90
- 90 ÷ 300 × 100 = 30%
4.A price changes from $400 to $320. Find the percentage decrease.
Answer: 20%
- Change = 400 − 320 = 80
- 80 ÷ 400 × 100 = 20%
5.A price changes from $60 to $57. Find the percentage decrease.
Answer: 5%
- Change = 60 − 57 = 3
- 3 ÷ 60 × 100 = 5%
6.A price changes from $460 to $644. Find the percentage increase.
Answer: 40%
- Change = 644 − 460 = 184
- 184 ÷ 460 × 100 = 40%
7.A price changes from $500 to $560. Find the percentage increase.
Answer: 12%
- Change = 560 − 500 = 60
- 60 ÷ 500 × 100 = 12%
8.A price changes from $700 to $616. Find the percentage decrease.
Answer: 12%
- Change = 700 − 616 = 84
- 84 ÷ 700 × 100 = 12%
9.A price changes from $600 to $1050. Find the percentage increase.
Answer: 75%
- Change = 1050 − 600 = 450
- 450 ÷ 600 × 100 = 75%
10.A price changes from $600 to $660. Find the percentage increase.
Answer: 10%
- Change = 660 − 600 = 60
- 60 ÷ 600 × 100 = 10%
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