9th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 9th Grade percentages worksheet.
Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Percentages9th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $240 to $192. Find the percentage decrease.
Answer: 20%
- Change = 240 − 192 = 48
- 48 ÷ 240 × 100 = 20%
2.A price changes from $150 to $165. Find the percentage increase.
Answer: 10%
- Change = 165 − 150 = 15
- 15 ÷ 150 × 100 = 10%
3.A price changes from $150 to $225. Find the percentage increase.
Answer: 50%
- Change = 225 − 150 = 75
- 75 ÷ 150 × 100 = 50%
4.A price changes from $400 to $440. Find the percentage increase.
Answer: 10%
- Change = 440 − 400 = 40
- 40 ÷ 400 × 100 = 10%
5.A price changes from $190 to $209. Find the percentage increase.
Answer: 10%
- Change = 209 − 190 = 19
- 19 ÷ 190 × 100 = 10%
6.A price changes from $270 to $243. Find the percentage decrease.
Answer: 10%
- Change = 270 − 243 = 27
- 27 ÷ 270 × 100 = 10%
7.A price changes from $80 to $96. Find the percentage increase.
Answer: 20%
- Change = 96 − 80 = 16
- 16 ÷ 80 × 100 = 20%
8.A price changes from $260 to $312. Find the percentage increase.
Answer: 20%
- Change = 312 − 260 = 52
- 52 ÷ 260 × 100 = 20%
9.A price changes from $230 to $115. Find the percentage decrease.
Answer: 50%
- Change = 230 − 115 = 115
- 115 ÷ 230 × 100 = 50%
10.A price changes from $40 to $48. Find the percentage increase.
Answer: 20%
- Change = 48 − 40 = 8
- 8 ÷ 40 × 100 = 20%
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