19.59% is the change from 638 to 763
Calculation steps:
[( 763 - 638 ) ÷ 638] x 100 = 19.59%
Formula
Percentage change = [(763 - 638) / 638] x 100
Subtract the new number by the original number
763 - 638 = 125
125 ÷ 638 = 0.19592476489028213
0.19592476489028213 x 100 = 19.59%