4.24% is the change from 613 to 639
Calculation steps:
[( 639 - 613 ) ÷ 613] x 100 = 4.24%
Formula
Percentage change = [(639 - 613) / 613] x 100
Subtract the new number by the original number
639 - 613 = 26
26 ÷ 613 = 0.04241435562805873
0.04241435562805873 x 100 = 4.24%