-18.25% is the change from 285 to 233
Calculation steps:
[( 233 - 285 ) ÷ 285] x 100 = -18.25%
Formula
Percentage change = [(233 - 285) / 285] x 100
Subtract the new number by the original number
233 - 285 = -52
-52 ÷ 285 = -0.1824561403508772
-0.1824561403508772 x 100 = -18.25%