-48.71% is the change from 618 to 317
Calculation steps:
[( 317 - 618 ) ÷ 618] x 100 = -48.71%
Formula
Percentage change = [(317 - 618) / 618] x 100
Subtract the new number by the original number
317 - 618 = -301
-301 ÷ 618 = -0.48705501618122976
-0.48705501618122976 x 100 = -48.71%