Year 8 Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 4 — 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 4 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $100 to $110. Find the percentage increase.
Answer: 10%
- Change = 110 − 100 = 10
- 10 ÷ 100 × 100 = 10%
2.A price changes from $120 to $48. Find the percentage decrease.
Answer: 60%
- Change = 120 − 48 = 72
- 72 ÷ 120 × 100 = 60%
3.A price changes from $420 to $525. Find the percentage increase.
Answer: 25%
- Change = 525 − 420 = 105
- 105 ÷ 420 × 100 = 25%
4.A price changes from $400 to $240. Find the percentage decrease.
Answer: 40%
- Change = 400 − 240 = 160
- 160 ÷ 400 × 100 = 40%
5.A price changes from $660 to $561. Find the percentage decrease.
Answer: 15%
- Change = 660 − 561 = 99
- 99 ÷ 660 × 100 = 15%
6.A price changes from $240 to $96. Find the percentage decrease.
Answer: 60%
- Change = 240 − 96 = 144
- 144 ÷ 240 × 100 = 60%
7.A price changes from $360 to $216. Find the percentage decrease.
Answer: 40%
- Change = 360 − 216 = 144
- 144 ÷ 360 × 100 = 40%
8.A price changes from $520 to $130. Find the percentage decrease.
Answer: 75%
- Change = 520 − 130 = 390
- 390 ÷ 520 × 100 = 75%
9.A price changes from $760 to $722. Find the percentage decrease.
Answer: 5%
- Change = 760 − 722 = 38
- 38 ÷ 760 × 100 = 5%
10.A price changes from $40 to $36. Find the percentage decrease.
Answer: 10%
- Change = 40 − 36 = 4
- 4 ÷ 40 × 100 = 10%
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