-88.5% is the change from 287 to 33
Calculation steps:
[( 33 - 287 ) ÷ 287] x 100 = -88.5%
Formula
Percentage change = [(33 - 287) / 287] x 100
Subtract the new number by the original number
33 - 287 = -254
-254 ÷ 287 = -0.8850174216027874
-0.8850174216027874 x 100 = -88.5%