Percent, Percent Change and Percent Error

88 is what percent of 160?

(a)  

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? 

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.

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

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

The Game Stop is having a sale on an originally $66.64 game. It is on sale for $29.99. What is the percent change?

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

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

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? 

Find the percent increase. Round to the nearest percent.
From $5 to $8