Percent Increase and Decrease Worksheet
Understand and calculate percent increase and decrease with real-world examples and problems.
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Percent Increase and Decrease
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Read each question carefully and solve for the percent increase or decrease. Show your work where applicable.
1. A shirt originally cost $20. It is now on sale for $15. What is the percent decrease in price?
5%
15%
25%
33%
2. The population of a town increased from 5,000 to 6,000 people. What is the percent increase?
10%
20%
25%
1,000%
3. To calculate percent increase, you find the , divide it by the original amount, and then multiply by 100.
4. If a value goes from 80 to 60, it is a percent .
5. A plant grew from 10 cm to 15 cm. What is the percent increase in its height?
6. Last month, your phone bill was $40. This month, it is $36. What is the percent decrease?
7. A price drop from $100 to $50 is a 50% decrease.
True
False
8. An increase from 20 to 25 represents a 20% increase.
True
False
9. A store sold 300 apples on Monday. On Tuesday, they sold 360 apples. What was the percent increase in apple sales?
10. The temperature dropped from 20°C to 16°C. Calculate the percent decrease in temperature.