13.3% is the change from 639 to 724
Calculation steps:
[( 724 - 639 ) ÷ 639] x 100 = 13.3%
Formula
Percentage change = [(724 - 639) / 639] x 100
Subtract the new number by the original number
724 - 639 = 85
85 ÷ 639 = 0.13302034428794993
0.13302034428794993 x 100 = 13.3%