-48.77% is the change from 285 to 146
Calculation steps:
[( 146 - 285 ) ÷ 285] x 100 = -48.77%
Formula
Percentage change = [(146 - 285) / 285] x 100
Subtract the new number by the original number
146 - 285 = -139
-139 ÷ 285 = -0.48771929824561405
-0.48771929824561405 x 100 = -48.77%