-98.06% is the change from 618 to 12
Calculation steps:
[( 12 - 618 ) ÷ 618] x 100 = -98.06%
Formula
Percentage change = [(12 - 618) / 618] x 100
Subtract the new number by the original number
12 - 618 = -606
-606 ÷ 618 = -0.9805825242718447
-0.9805825242718447 x 100 = -98.06%