-51.11% is the change from 587 to 287
Calculation steps:
[( 287 - 587 ) ÷ 587] x 100 = -51.11%
Formula
Percentage change = [(287 - 587) / 587] x 100
Subtract the new number by the original number
287 - 587 = -300
-300 ÷ 587 = -0.5110732538330494
-0.5110732538330494 x 100 = -51.11%