-9.22% is the change from 618 to 561
Calculation steps:
[( 561 - 618 ) ÷ 618] x 100 = -9.22%
Formula
Percentage change = [(561 - 618) / 618] x 100
Subtract the new number by the original number
561 - 618 = -57
-57 ÷ 618 = -0.09223300970873786
-0.09223300970873786 x 100 = -9.22%