Percent of Change and Simple Interest

Calculate the percent increase. Round to the nearest percent.

Original: 74

New: 85

• 0.15%

• 0.13%

• 13%

• 15%

Calculate the percent increase. Round to the nearest percent.

Original: 45

New: 92

• 51%

• 1.04%

• 104%

• .51

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

• Decrease of 40%
• Decrease of 10%
• Decrease of 30%
• Decrease of 20%

2.) Bob got a raise, and his hourly wage increased from $12 to $15. What is the percent of change?

• 25% decrease

• 25% increase

• 20% decrease

• 20% increase

3.) The price of a pair of shoes increases from $20 to $32. What is the percent the price of the shoes changed?

• 37.5% increase

• 37.5% decrease

• 60% increase

• 60% decrease

4.) At a coffee shop, the price of a cup of coffee increased from $1.20 to $1.44. What is the percent of change in the cost of the coffee?

• 16.66% increase

• 16.66% decrease

• 20% decrease

• 20% increase

5.) In a class, the number of students has been decreased from 27 to 18. Find the percent of change.

• 33.33% decrease

• 33.33% increase

• 50% decrease

• 50% increase

6.) The price of gasoline dropped from $2.40 to $2.24 in one month. By what percent did the gas price change ?

• 6.67% increase

• 6.67% decrease

• 7.14% increase

• 7.14% decrease

8.) As soon as a new car is purchased and driven away from the dealership, it begins to lose its value, or depreciate. Alonso bought a 2004 Plymouth Neon for $9559. One year later, the value of the car was $8500. What was the percent of change of the value of the car?

• 11.08% decrease

• 11.08% increase

• 12.46% decrease

• 12.46% increase