-86.08% is the change from 618 to 86
Calculation steps:
[( 86 - 618 ) ÷ 618] x 100 = -86.08%
Formula
Percentage change = [(86 - 618) / 618] x 100
Subtract the new number by the original number
86 - 618 = -532
-532 ÷ 618 = -0.86084142394822
-0.86084142394822 x 100 = -86.08%