Percent Increase/Decrease

In the 6th grade, Miguel read 15 books. In 7th grade, he read 21 books. What was the percent change in the number of books Miguel read from 6th to 7th grade?

• 40% increase

• 40% decrease

• 20% increase

• 20% decrease

What is the percent of change from 45 ft to 92 ft?

• 104% increase

• 100% decrease

• 105% increase

• 106% increase

Find the PERCENT of Change.
The original cost was $50 and the new cost is $60. 

• Increase 20%

• Increase 16.67%

• Increase $10

• Decrease $10

Find the percent of change if the original cost was $5 and the new cost is $1. 

• Increase $4

• Decrease $4

• Decrease 80%

• Decrease 400%

Michelle bought a new tablet for $360 last month. Now, it is priced at $280. What is the percent of change in the price of the tablet?

• 9%

• 22.2%

• 80%

• 800%

A $30 pair of jeans is on sale for $15. What is the percent of change for the pair of jeans?

• 10%

• 15%

• 50%

• 4%

The price of a television was reduced from $250 to $200. By what percentage was the price of the television reduced?

• 20%

• 5%

• 25%

• 50%

Recent developments in surgical procedures change the average healing time for some operations from 8 weeks to 3 weeks. What is the percent change for the healing time?

• 95%

• 5%

• 37.5%

• 62.5%

Naomi planted 45 tulip bulbs last year. If the number of tulips increased by 40% this year, how many tulips does Naomi have now?

• 18 tulips

• 85 tulips

• 27 tulips

• 63 tulips

Last year the chess club had 30 members. If membership has decreased by 30%, how many members are currently in the club?

• 21 members

• 9 members

• 60 members

• 39 members