-0.32% is the change from 618 to 616
Calculation steps:
[( 616 - 618 ) ÷ 618] x 100 = -0.32%
Formula
Percentage change = [(616 - 618) / 618] x 100
Subtract the new number by the original number
616 - 618 = -2
-2 ÷ 618 = -0.003236245954692557
-0.003236245954692557 x 100 = -0.32%