13.21% is the change from 636 to 720
Calculation steps:
[( 720 - 636 ) ÷ 636] x 100 = 13.21%
Formula
Percentage change = [(720 - 636) / 636] x 100
Subtract the new number by the original number
720 - 636 = 84
84 ÷ 636 = 0.1320754716981132
0.1320754716981132 x 100 = 13.21%