-22.65% is the change from 618 to 478
Calculation steps:
[( 478 - 618 ) ÷ 618] x 100 = -22.65%
Formula
Percentage change = [(478 - 618) / 618] x 100
Subtract the new number by the original number
478 - 618 = -140
-140 ÷ 618 = -0.22653721682847897
-0.22653721682847897 x 100 = -22.65%