-0.51% is the change from 587 to 584
Calculation steps:
[( 584 - 587 ) ÷ 587] x 100 = -0.51%
Formula
Percentage change = [(584 - 587) / 587] x 100
Subtract the new number by the original number
584 - 587 = -3
-3 ÷ 587 = -0.005110732538330494
-0.005110732538330494 x 100 = -0.51%