12.36% is the change from 639 to 718
Calculation steps:
[( 718 - 639 ) ÷ 639] x 100 = 12.36%
Formula
Percentage change = [(718 - 639) / 639] x 100
Subtract the new number by the original number
718 - 639 = 79
79 ÷ 639 = 0.12363067292644757
0.12363067292644757 x 100 = 12.36%