-96.76% is the change from 618 to 20
Calculation steps:
[( 20 - 618 ) ÷ 618] x 100 = -96.76%
Formula
Percentage change = [(20 - 618) / 618] x 100
Subtract the new number by the original number
20 - 618 = -598
-598 ÷ 618 = -0.9676375404530745
-0.9676375404530745 x 100 = -96.76%