-93.2% is the change from 618 to 42
Calculation steps:
[( 42 - 618 ) ÷ 618] x 100 = -93.2%
Formula
Percentage change = [(42 - 618) / 618] x 100
Subtract the new number by the original number
42 - 618 = -576
-576 ÷ 618 = -0.9320388349514563
-0.9320388349514563 x 100 = -93.2%