23.35% is the change from 638 to 787
Calculation steps:
[( 787 - 638 ) ÷ 638] x 100 = 23.35%
Formula
Percentage change = [(787 - 638) / 638] x 100
Subtract the new number by the original number
787 - 638 = 149
149 ÷ 638 = 0.2335423197492163
0.2335423197492163 x 100 = 23.35%