20.13% is the change from 636 to 764
Calculation steps:
[( 764 - 636 ) ÷ 636] x 100 = 20.13%
Formula
Percentage change = [(764 - 636) / 636] x 100
Subtract the new number by the original number
764 - 636 = 128
128 ÷ 636 = 0.20125786163522014
0.20125786163522014 x 100 = 20.13%