-9.55% is the change from 618 to 559
Calculation steps:
[( 559 - 618 ) ÷ 618] x 100 = -9.55%
Formula
Percentage change = [(559 - 618) / 618] x 100
Subtract the new number by the original number
559 - 618 = -59
-59 ÷ 618 = -0.09546925566343042
-0.09546925566343042 x 100 = -9.55%