-52.8% is the change from 286 to 135
Calculation steps:
[( 135 - 286 ) ÷ 286] x 100 = -52.8%
Formula
Percentage change = [(135 - 286) / 286] x 100
Subtract the new number by the original number
135 - 286 = -151
-151 ÷ 286 = -0.527972027972028
-0.527972027972028 x 100 = -52.8%