10th Grade Percentage Increase and Decrease Worksheet — Level 2 — Practice Set 3 — 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 3 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $480 to $528. Find the percentage increase.
Answer: 10%
- Change = 528 − 480 = 48
- 48 ÷ 480 × 100 = 10%
2.A price changes from $320 to $400. Find the percentage increase.
Answer: 25%
- Change = 400 − 320 = 80
- 80 ÷ 320 × 100 = 25%
3.A price changes from $560 to $616. Find the percentage increase.
Answer: 10%
- Change = 616 − 560 = 56
- 56 ÷ 560 × 100 = 10%
4.A price changes from $300 to $375. Find the percentage increase.
Answer: 25%
- Change = 375 − 300 = 75
- 75 ÷ 300 × 100 = 25%
5.A price changes from $140 to $35. Find the percentage decrease.
Answer: 75%
- Change = 140 − 35 = 105
- 105 ÷ 140 × 100 = 75%
6.A price changes from $180 to $162. Find the percentage decrease.
Answer: 10%
- Change = 180 − 162 = 18
- 18 ÷ 180 × 100 = 10%
7.A price changes from $80 to $60. Find the percentage decrease.
Answer: 25%
- Change = 80 − 60 = 20
- 20 ÷ 80 × 100 = 25%
8.A price changes from $420 to $294. Find the percentage decrease.
Answer: 30%
- Change = 420 − 294 = 126
- 126 ÷ 420 × 100 = 30%
9.A price changes from $700 to $420. Find the percentage decrease.
Answer: 40%
- Change = 700 − 420 = 280
- 280 ÷ 700 × 100 = 40%
10.A price changes from $740 to $518. Find the percentage decrease.
Answer: 30%
- Change = 740 − 518 = 222
- 222 ÷ 740 × 100 = 30%
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