-98.22% is the change from 618 to 11
Calculation steps:
[( 11 - 618 ) ÷ 618] x 100 = -98.22%
Formula
Percentage change = [(11 - 618) / 618] x 100
Subtract the new number by the original number
11 - 618 = -607
-607 ÷ 618 = -0.982200647249191
-0.982200647249191 x 100 = -98.22%