-58.74% is the change from 618 to 255
Calculation steps:
[( 255 - 618 ) ÷ 618] x 100 = -58.74%
Formula
Percentage change = [(255 - 618) / 618] x 100
Subtract the new number by the original number
255 - 618 = -363
-363 ÷ 618 = -0.587378640776699
-0.587378640776699 x 100 = -58.74%