-45.1% is the change from 561 to 308
Calculation steps:
[( 308 - 561 ) ÷ 561] x 100 = -45.1%
Formula
Percentage change = [(308 - 561) / 561] x 100
Subtract the new number by the original number
308 - 561 = -253
-253 ÷ 561 = -0.45098039215686275
-0.45098039215686275 x 100 = -45.1%