13.38% is the change from 538 to 610
Calculation steps:
[( 610 - 538 ) ÷ 538] x 100 = 13.38%
Formula
Percentage change = [(610 - 538) / 538] x 100
Subtract the new number by the original number
610 - 538 = 72
72 ÷ 538 = 0.13382899628252787
0.13382899628252787 x 100 = 13.38%