13.73% is the change from 539 to 613
Calculation steps:
[( 613 - 539 ) ÷ 539] x 100 = 13.73%
Formula
Percentage change = [(613 - 539) / 539] x 100
Subtract the new number by the original number
613 - 539 = 74
74 ÷ 539 = 0.137291280148423
0.137291280148423 x 100 = 13.73%