Percent, Percent Change and Percent Error

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%

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

• 21%

• 17.9%

• 17.4%

• 21.02%

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%

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%

In one year Angelica’s height went from 60 inches to 63 inches. What was the percent of increase in Angelica’s height?

• 0.05%
• 4%
• 4.8%
• 5%

Bob estimates that there will be 230 people who attend the concert.  There was an actual total of 300 people who attended.  Find the percent error.  

• 23%
• 33%
• 27%
• 37%

A Toyota Sienna sells for $41,899.  A year later, the value is $36,469.  What is the percent change to the nearest tenth of a percent?

• 12% increase
• 13% decrease
• 112% decrease
• 113% increase

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

• 35%

• 25%

• 30%

• 20%

Find the percent increase (PERCENT CHANGE). Round to the nearest percent.

From $5 to $8

• 40%

• 60%

• 55%

• 65%