-8.73% is the change from 561 to 512
Calculation steps:
[( 512 - 561 ) ÷ 561] x 100 = -8.73%
Formula
Percentage change = [(512 - 561) / 561] x 100
Subtract the new number by the original number
512 - 561 = -49
-49 ÷ 561 = -0.0873440285204991
-0.0873440285204991 x 100 = -8.73%