20.5% is the change from 634 to 764
Calculation steps:
[( 764 - 634 ) ÷ 634] x 100 = 20.5%
Formula
Percentage change = [(764 - 634) / 634] x 100
Subtract the new number by the original number
764 - 634 = 130
130 ÷ 634 = 0.20504731861198738
0.20504731861198738 x 100 = 20.5%