-99.65% is the change from 286 to 1
Calculation steps:
[( 1 - 286 ) ÷ 286] x 100 = -99.65%
Formula
Percentage change = [(1 - 286) / 286] x 100
Subtract the new number by the original number
1 - 286 = -285
-285 ÷ 286 = -0.9965034965034965
-0.9965034965034965 x 100 = -99.65%