Percent of Change/Error Test

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

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%
• Decrease 50%
• Increase 1%
• Decrease 1%

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%
• 41%
• 42%
• 45%

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

• Increase 16.67%
• Decrease 16.67%
• Increase 20%
• Decrease 20%

Tickets to Disney World are $100.The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

• 25%
• 18%
• 20%
• 50%

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

• 21%
• 17.3%

• 17.4%
• 21.02%

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%
• 18.75%
• 2.25%
• 18%

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%
• 20%
• 2500%
• 80%

Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  

• 15%
• 20%
• 25%
• 30%