-8.09% is the change from 618 to 568
Calculation steps:
[( 568 - 618 ) ÷ 618] x 100 = -8.09%
Formula
Percentage change = [(568 - 618) / 618] x 100
Subtract the new number by the original number
568 - 618 = -50
-50 ÷ 618 = -0.08090614886731391
-0.08090614886731391 x 100 = -8.09%