-20.39% is the change from 618 to 492
Calculation steps:
[( 492 - 618 ) ÷ 618] x 100 = -20.39%
Formula
Percentage change = [(492 - 618) / 618] x 100
Subtract the new number by the original number
492 - 618 = -126
-126 ÷ 618 = -0.20388349514563106
-0.20388349514563106 x 100 = -20.39%