-0.68% is the change from 585 to 581
Calculation steps:
[( 581 - 585 ) ÷ 585] x 100 = -0.68%
Formula
Percentage change = [(581 - 585) / 585] x 100
Subtract the new number by the original number
581 - 585 = -4
-4 ÷ 585 = -0.006837606837606838
-0.006837606837606838 x 100 = -0.68%