15.67% is the change from 638 to 738
Calculation steps:
[( 738 - 638 ) ÷ 638] x 100 = 15.67%
Formula
Percentage change = [(738 - 638) / 638] x 100
Subtract the new number by the original number
738 - 638 = 100
100 ÷ 638 = 0.15673981191222572
0.15673981191222572 x 100 = 15.67%