13.17% is the change from 539 to 610
Calculation steps:
[( 610 - 539 ) ÷ 539] x 100 = 13.17%
Formula
Percentage change = [(610 - 539) / 539] x 100
Subtract the new number by the original number
610 - 539 = 71
71 ÷ 539 = 0.13172541743970315
0.13172541743970315 x 100 = 13.17%