-95.15% is the change from 618 to 30
Calculation steps:
[( 30 - 618 ) ÷ 618] x 100 = -95.15%
Formula
Percentage change = [(30 - 618) / 618] x 100
Subtract the new number by the original number
30 - 618 = -588
-588 ÷ 618 = -0.9514563106796117
-0.9514563106796117 x 100 = -95.15%