-51.05% is the change from 286 to 140
Calculation steps:
[( 140 - 286 ) ÷ 286] x 100 = -51.05%
Formula
Percentage change = [(140 - 286) / 286] x 100
Subtract the new number by the original number
140 - 286 = -146
-146 ÷ 286 = -0.5104895104895105
-0.5104895104895105 x 100 = -51.05%