-8.2% is the change from 561 to 515
Calculation steps:
[( 515 - 561 ) ÷ 561] x 100 = -8.2%
Formula
Percentage change = [(515 - 561) / 561] x 100
Subtract the new number by the original number
515 - 561 = -46
-46 ÷ 561 = -0.08199643493761141
-0.08199643493761141 x 100 = -8.2%