-28.03% is the change from 585 to 421
Calculation steps:
[( 421 - 585 ) ÷ 585] x 100 = -28.03%
Formula
Percentage change = [(421 - 585) / 585] x 100
Subtract the new number by the original number
421 - 585 = -164
-164 ÷ 585 = -0.28034188034188035
-0.28034188034188035 x 100 = -28.03%