-9.71% is the change from 618 to 558
Calculation steps:
[( 558 - 618 ) ÷ 618] x 100 = -9.71%
Formula
Percentage change = [(558 - 618) / 618] x 100
Subtract the new number by the original number
558 - 618 = -60
-60 ÷ 618 = -0.0970873786407767
-0.0970873786407767 x 100 = -9.71%