-36.89% is the change from 618 to 390
Calculation steps:
[( 390 - 618 ) ÷ 618] x 100 = -36.89%
Formula
Percentage change = [(390 - 618) / 618] x 100
Subtract the new number by the original number
390 - 618 = -228
-228 ÷ 618 = -0.36893203883495146
-0.36893203883495146 x 100 = -36.89%