-16.41% is the change from 585 to 489
Calculation steps:
[( 489 - 585 ) ÷ 585] x 100 = -16.41%
Formula
Percentage change = [(489 - 585) / 585] x 100
Subtract the new number by the original number
489 - 585 = -96
-96 ÷ 585 = -0.1641025641025641
-0.1641025641025641 x 100 = -16.41%