-13.11% is the change from 618 to 537
Calculation steps:
[( 537 - 618 ) ÷ 618] x 100 = -13.11%
Formula
Percentage change = [(537 - 618) / 618] x 100
Subtract the new number by the original number
537 - 618 = -81
-81 ÷ 618 = -0.13106796116504854
-0.13106796116504854 x 100 = -13.11%