13.15% is the change from 639 to 723
Calculation steps:
[( 723 - 639 ) ÷ 639] x 100 = 13.15%
Formula
Percentage change = [(723 - 639) / 639] x 100
Subtract the new number by the original number
723 - 639 = 84
84 ÷ 639 = 0.13145539906103287
0.13145539906103287 x 100 = 13.15%