-20.06% is the change from 618 to 494
Calculation steps:
[( 494 - 618 ) ÷ 618] x 100 = -20.06%
Formula
Percentage change = [(494 - 618) / 618] x 100
Subtract the new number by the original number
494 - 618 = -124
-124 ÷ 618 = -0.20064724919093851
-0.20064724919093851 x 100 = -20.06%