Find the percent change from 10 feet to 13 feet

The percentage would be 30% Percent change = [ (10 - 13) / 10] x 100 = 30 % (increase) Where: 10 is the old value and 13 is the new value. In this case we have a positive change (increase) of 30 percent because the new value is greater than the old value.

The percent increase is 30%.