-50.98% is the change from 561 to 275
Calculation steps:
[( 275 - 561 ) ÷ 561] x 100 = -50.98%
Formula
Percentage change = [(275 - 561) / 561] x 100
Subtract the new number by the original number
275 - 561 = -286
-286 ÷ 561 = -0.5098039215686274
-0.5098039215686274 x 100 = -50.98%