Year 8 Percentage Increase and Decrease Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 8 percentages worksheet.
Year 8 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 $40 to $10. Find the percentage decrease.
Answer: 75%
- Change = 40 − 10 = 30
- 30 ÷ 40 × 100 = 75%
2.A price changes from $600 to $672. Find the percentage increase.
Answer: 12%
- Change = 672 − 600 = 72
- 72 ÷ 600 × 100 = 12%
3.A price changes from $600 to $660. Find the percentage increase.
Answer: 10%
- Change = 660 − 600 = 60
- 60 ÷ 600 × 100 = 10%
4.A price changes from $280 to $112. Find the percentage decrease.
Answer: 60%
- Change = 280 − 112 = 168
- 168 ÷ 280 × 100 = 60%
5.A price changes from $740 to $814. Find the percentage increase.
Answer: 10%
- Change = 814 − 740 = 74
- 74 ÷ 740 × 100 = 10%
6.A price changes from $160 to $96. Find the percentage decrease.
Answer: 40%
- Change = 160 − 96 = 64
- 64 ÷ 160 × 100 = 40%
7.A price changes from $440 to $396. Find the percentage decrease.
Answer: 10%
- Change = 440 − 396 = 44
- 44 ÷ 440 × 100 = 10%
8.A price changes from $440 to $418. Find the percentage decrease.
Answer: 5%
- Change = 440 − 418 = 22
- 22 ÷ 440 × 100 = 5%
9.A price changes from $800 to $896. Find the percentage increase.
Answer: 12%
- Change = 896 − 800 = 96
- 96 ÷ 800 × 100 = 12%
10.A price changes from $80 to $32. Find the percentage decrease.
Answer: 60%
- Change = 80 − 32 = 48
- 48 ÷ 80 × 100 = 60%
Marking tips
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