-48.6% is the change from 286 to 147
Calculation steps:
[( 147 - 286 ) ÷ 286] x 100 = -48.6%
Formula
Percentage change = [(147 - 286) / 286] x 100
Subtract the new number by the original number
147 - 286 = -139
-139 ÷ 286 = -0.486013986013986
-0.486013986013986 x 100 = -48.6%