Percentage increase and decrease

Worksheet: Percentage increase and decrease

Name:Class:

Answer the questions.

1. Increase 200 by 10%. What is the result?
   a) 20b) 202c) 210d) 220
2. A plant is 40 cm tall and grows by 50%. How tall is it now?
   a) 50 cmb) 60 cmc) 80 cmd) 90 cm
3. Increase 80 by 25%. What is the result?
   a) 100b) 105c) 120d) 85
4. Decrease 300 by 10%. What is the result?
   a) 270b) 290c) 30d) 330
5. A town has 2000 people. The number falls by 5%. How many people now?
   a) 1800b) 1900c) 1950d) 1990
6. What is 15% of 60?
   a) 12b) 15c) 6d) 9
7. A book costs $20 and has 25% off. What is the sale price?
   a) $15b) $18c) $25d) $5
8. A coat costs $80. The sale takes off 30%. How much do you pay?
   a) $110b) $24c) $50d) $56
9. What is 12 as a percentage of 48?
   a) 12%b) 25%c) 4%d) 50%
10. Mia scores 36 out of 45 in a test. What percentage is that?
    a) 75%b) 80%c) 85%d) 90%
11. Increasing a number by 100% doubles it.
    a) Trueb) False
12. If you increase a price by 10% and then decrease it by 10%, you get the original price.
    a) Trueb) False
13. Decreasing an amount by 50% gives the same result as halving it.
    a) Trueb) False
14. A $150 bike is reduced by 20%. What is the sale price in dollars?
15. A price rises from $50 to $60. What is the percentage increase?
16. What is 5% of 400?