10.34% is the change from 638 to 704
Calculation steps:
[( 704 - 638 ) ÷ 638] x 100 = 10.34%
Formula
Percentage change = [(704 - 638) / 638] x 100
Subtract the new number by the original number
704 - 638 = 66
66 ÷ 638 = 0.10344827586206896
0.10344827586206896 x 100 = 10.34%