-18.12% is the change from 287 to 235
Calculation steps:
[( 235 - 287 ) ÷ 287] x 100 = -18.12%
Formula
Percentage change = [(235 - 287) / 287] x 100
Subtract the new number by the original number
235 - 287 = -52
-52 ÷ 287 = -0.18118466898954705
-0.18118466898954705 x 100 = -18.12%