-16.07% is the change from 585 to 491
Calculation steps:
[( 491 - 585 ) ÷ 585] x 100 = -16.07%
Formula
Percentage change = [(491 - 585) / 585] x 100
Subtract the new number by the original number
491 - 585 = -94
-94 ÷ 585 = -0.1606837606837607
-0.1606837606837607 x 100 = -16.07%