9.09% is the change from 638 to 696
Calculation steps:
[( 696 - 638 ) ÷ 638] x 100 = 9.09%
Formula
Percentage change = [(696 - 638) / 638] x 100
Subtract the new number by the original number
696 - 638 = 58
58 ÷ 638 = 0.09090909090909091
0.09090909090909091 x 100 = 9.09%