13.93% is the change from 639 to 728
Calculation steps:
[( 728 - 639 ) ÷ 639] x 100 = 13.93%
Formula
Percentage change = [(728 - 639) / 639] x 100
Subtract the new number by the original number
728 - 639 = 89
89 ÷ 639 = 0.13928012519561817
0.13928012519561817 x 100 = 13.93%