9.55% is the change from 639 to 700
Calculation steps:
[( 700 - 639 ) ÷ 639] x 100 = 9.55%
Formula
Percentage change = [(700 - 639) / 639] x 100
Subtract the new number by the original number
700 - 639 = 61
61 ÷ 639 = 0.09546165884194054
0.09546165884194054 x 100 = 9.55%