-45.96% is the change from 285 to 154
Calculation steps:
[( 154 - 285 ) ÷ 285] x 100 = -45.96%
Formula
Percentage change = [(154 - 285) / 285] x 100
Subtract the new number by the original number
154 - 285 = -131
-131 ÷ 285 = -0.45964912280701753
-0.45964912280701753 x 100 = -45.96%