15.52% is the change from 638 to 737
Calculation steps:
[( 737 - 638 ) ÷ 638] x 100 = 15.52%
Formula
Percentage change = [(737 - 638) / 638] x 100
Subtract the new number by the original number
737 - 638 = 99
99 ÷ 638 = 0.15517241379310345
0.15517241379310345 x 100 = 15.52%