Percent increase of 20 to 39

To find the percent increase from 20 to 39, you can use the formula:

Percent Increase = (new value - initial value) / initial value * 100

For this situation:
Initial value = 20
New value = 39

Percent Increase = (39 - 20) / 20 * 100
Percent Increase = 19 / 20 * 100
Percent Increase = 0.95 * 100
Percent Increase = 95

Therefore, the percent increase from 20 to 39 is 95%.