-82.36% is the change from 618 to 109
Calculation steps:
[( 109 - 618 ) ÷ 618] x 100 = -82.36%
Formula
Percentage change = [(109 - 618) / 618] x 100
Subtract the new number by the original number
109 - 618 = -509
-509 ÷ 618 = -0.8236245954692557
-0.8236245954692557 x 100 = -82.36%