24.56% is the change from 513 to 639
Calculation steps:
[( 639 - 513 ) ÷ 513] x 100 = 24.56%
Formula
Percentage change = [(639 - 513) / 513] x 100
Subtract the new number by the original number
639 - 513 = 126
126 ÷ 513 = 0.24561403508771928
0.24561403508771928 x 100 = 24.56%