-99.65% is the change from 287 to 1
Calculation steps:
[( 1 - 287 ) ÷ 287] x 100 = -99.65%
Formula
Percentage change = [(1 - 287) / 287] x 100
Subtract the new number by the original number
1 - 287 = -286
-286 ÷ 287 = -0.9965156794425087
-0.9965156794425087 x 100 = -99.65%