-17.83% is the change from 286 to 235
Calculation steps:
[( 235 - 286 ) ÷ 286] x 100 = -17.83%
Formula
Percentage change = [(235 - 286) / 286] x 100
Subtract the new number by the original number
235 - 286 = -51
-51 ÷ 286 = -0.17832167832167833
-0.17832167832167833 x 100 = -17.83%