13.79% is the change from 638 to 726
Calculation steps:
[( 726 - 638 ) ÷ 638] x 100 = 13.79%
Formula
Percentage change = [(726 - 638) / 638] x 100
Subtract the new number by the original number
726 - 638 = 88
88 ÷ 638 = 0.13793103448275862
0.13793103448275862 x 100 = 13.79%