-31.07% is the change from 618 to 426
Calculation steps:
[( 426 - 618 ) ÷ 618] x 100 = -31.07%
Formula
Percentage change = [(426 - 618) / 618] x 100
Subtract the new number by the original number
426 - 618 = -192
-192 ÷ 618 = -0.3106796116504854
-0.3106796116504854 x 100 = -31.07%