-30.48% is the change from 561 to 390
Calculation steps:
[( 390 - 561 ) ÷ 561] x 100 = -30.48%
Formula
Percentage change = [(390 - 561) / 561] x 100
Subtract the new number by the original number
390 - 561 = -171
-171 ÷ 561 = -0.3048128342245989
-0.3048128342245989 x 100 = -30.48%