-4.1% is the change from 585 to 561
Calculation steps:
[( 561 - 585 ) ÷ 585] x 100 = -4.1%
Formula
Percentage change = [(561 - 585) / 585] x 100
Subtract the new number by the original number
561 - 585 = -24
-24 ÷ 585 = -0.041025641025641026
-0.041025641025641026 x 100 = -4.1%