-22.33% is the change from 618 to 480
Calculation steps:
[( 480 - 618 ) ÷ 618] x 100 = -22.33%
Formula
Percentage change = [(480 - 618) / 618] x 100
Subtract the new number by the original number
480 - 618 = -138
-138 ÷ 618 = -0.22330097087378642
-0.22330097087378642 x 100 = -22.33%