-19.58% is the change from 286 to 230
Calculation steps:
[( 230 - 286 ) ÷ 286] x 100 = -19.58%
Formula
Percentage change = [(230 - 286) / 286] x 100
Subtract the new number by the original number
230 - 286 = -56
-56 ÷ 286 = -0.1958041958041958
-0.1958041958041958 x 100 = -19.58%