-0.34% is the change from 585 to 583
Calculation steps:
[( 583 - 585 ) ÷ 585] x 100 = -0.34%
Formula
Percentage change = [(583 - 585) / 585] x 100
Subtract the new number by the original number
583 - 585 = -2
-2 ÷ 585 = -0.003418803418803419
-0.003418803418803419 x 100 = -0.34%