Ways to find percent decrease The formula used is simply:

U.S. Population Change by County (20102018) Visual

### You can apply it for population, employment rate, economic factors, etc.

**How to find percent change in population**. So that’s the percent of change, an increase of 12.5% in the savings account. To calculate percent change, start by determining both the old and new values for the amount that has changed. 25 รท 200 = 0.125.

2010 to 2019 [