15.08% is the change from 537 to 618
Calculation steps:
[( 618 - 537 ) ÷ 537] x 100 = 15.08%
Formula
Percentage change = [(618 - 537) / 537] x 100
Subtract the new number by the original number
618 - 537 = 81
81 ÷ 537 = 0.15083798882681565
0.15083798882681565 x 100 = 15.08%