10th Grade Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 10th Grade percentages worksheet.
Success TutoringWorksheetsAnswer sheet10th Grade · Mathematics · Percentages10th Grade 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 $640 to $384. Find the percentage decrease.
Answer: 40%
- Change = 640 − 384 = 256
- 256 ÷ 640 × 100 = 40%
2.A price changes from $520 to $442. Find the percentage decrease.
Answer: 15%
- Change = 520 − 442 = 78
- 78 ÷ 520 × 100 = 15%
3.A price changes from $600 to $540. Find the percentage decrease.
Answer: 10%
- Change = 600 − 540 = 60
- 60 ÷ 600 × 100 = 10%
4.A price changes from $500 to $400. Find the percentage decrease.
Answer: 20%
- Change = 500 − 400 = 100
- 100 ÷ 500 × 100 = 20%
5.A price changes from $320 to $304. Find the percentage decrease.
Answer: 5%
- Change = 320 − 304 = 16
- 16 ÷ 320 × 100 = 5%
6.A price changes from $460 to $368. Find the percentage decrease.
Answer: 20%
- Change = 460 − 368 = 92
- 92 ÷ 460 × 100 = 20%
7.A price changes from $100 to $88. Find the percentage decrease.
Answer: 12%
- Change = 100 − 88 = 12
- 12 ÷ 100 × 100 = 12%
8.A price changes from $620 to $558. Find the percentage decrease.
Answer: 10%
- Change = 620 − 558 = 62
- 62 ÷ 620 × 100 = 10%
9.A price changes from $160 to $144. Find the percentage decrease.
Answer: 10%
- Change = 160 − 144 = 16
- 16 ÷ 160 × 100 = 10%
10.A price changes from $40 to $70. Find the percentage increase.
Answer: 75%
- Change = 70 − 40 = 30
- 30 ÷ 40 × 100 = 75%
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