20.28% is the change from 636 to 765
Calculation steps:
[( 765 - 636 ) ÷ 636] x 100 = 20.28%
Formula
Percentage change = [(765 - 636) / 636] x 100
Subtract the new number by the original number
765 - 636 = 129
129 ÷ 636 = 0.2028301886792453
0.2028301886792453 x 100 = 20.28%