-16.35% is the change from 587 to 491
Calculation steps:
[( 491 - 587 ) ÷ 587] x 100 = -16.35%
Formula
Percentage change = [(491 - 587) / 587] x 100
Subtract the new number by the original number
491 - 587 = -96
-96 ÷ 587 = -0.1635434412265758
-0.1635434412265758 x 100 = -16.35%