-67.96% is the change from 618 to 198
Calculation steps:
[( 198 - 618 ) ÷ 618] x 100 = -67.96%
Formula
Percentage change = [(198 - 618) / 618] x 100
Subtract the new number by the original number
198 - 618 = -420
-420 ÷ 618 = -0.6796116504854369
-0.6796116504854369 x 100 = -67.96%