# The circulation of a newsletter decreased from 5200 to 3140. How do you find the percent of decrease in circulation to the nearest percent?

##### 1 Answer

Jan 7, 2017

#### Answer:

See explanation below:

#### Explanation:

The formula for calculating the change in rate over time is:

Where:

Substituting what we have been given:

The percent change was -40% or a 40% decrease in circulation.