13.41% is the change from 537 to 609
Calculation steps:
[( 609 - 537 ) ÷ 537] x 100 = 13.41%
Formula
Percentage change = [(609 - 537) / 537] x 100
Subtract the new number by the original number
609 - 537 = 72
72 ÷ 537 = 0.1340782122905028
0.1340782122905028 x 100 = 13.41%