-12.82% is the change from 671 to 585
Calculation steps:
[( 585 - 671 ) ÷ 671] x 100 = -12.82%
Formula
Percentage change = [(585 - 671) / 671] x 100
Subtract the new number by the original number
585 - 671 = -86
-86 ÷ 671 = -0.12816691505216096
-0.12816691505216096 x 100 = -12.82%