-85.31% is the change from 286 to 42
Calculation steps:
[( 42 - 286 ) ÷ 286] x 100 = -85.31%
Formula
Percentage change = [(42 - 286) / 286] x 100
Subtract the new number by the original number
42 - 286 = -244
-244 ÷ 286 = -0.8531468531468531
-0.8531468531468531 x 100 = -85.31%