-36.73% is the change from 618 to 391
Calculation steps:
[( 391 - 618 ) ÷ 618] x 100 = -36.73%
Formula
Percentage change = [(391 - 618) / 618] x 100
Subtract the new number by the original number
391 - 618 = -227
-227 ÷ 618 = -0.3673139158576052
-0.3673139158576052 x 100 = -36.73%