-12.59% is the change from 286 to 250
Calculation steps:
[( 250 - 286 ) ÷ 286] x 100 = -12.59%
Formula
Percentage change = [(250 - 286) / 286] x 100
Subtract the new number by the original number
250 - 286 = -36
-36 ÷ 286 = -0.1258741258741259
-0.1258741258741259 x 100 = -12.59%