-54.2% is the change from 286 to 131
Calculation steps:
[( 131 - 286 ) ÷ 286] x 100 = -54.2%
Formula
Percentage change = [(131 - 286) / 286] x 100
Subtract the new number by the original number
131 - 286 = -155
-155 ÷ 286 = -0.541958041958042
-0.541958041958042 x 100 = -54.2%