9.72% is the change from 638 to 700
Calculation steps:
[( 700 - 638 ) ÷ 638] x 100 = 9.72%
Formula
Percentage change = [(700 - 638) / 638] x 100
Subtract the new number by the original number
700 - 638 = 62
62 ÷ 638 = 0.09717868338557993
0.09717868338557993 x 100 = 9.72%