-68.12% is the change from 618 to 197
Calculation steps:
[( 197 - 618 ) ÷ 618] x 100 = -68.12%
Formula
Percentage change = [(197 - 618) / 618] x 100
Subtract the new number by the original number
197 - 618 = -421
-421 ÷ 618 = -0.6812297734627831
-0.6812297734627831 x 100 = -68.12%