-72.17% is the change from 618 to 172
Calculation steps:
[( 172 - 618 ) ÷ 618] x 100 = -72.17%
Formula
Percentage change = [(172 - 618) / 618] x 100
Subtract the new number by the original number
172 - 618 = -446
-446 ÷ 618 = -0.7216828478964401
-0.7216828478964401 x 100 = -72.17%