-16.06% is the change from 691 to 580
Calculation steps:
[( 580 - 691 ) ÷ 691] x 100 = -16.06%
Formula
Percentage change = [(580 - 691) / 691] x 100
Subtract the new number by the original number
580 - 691 = -111
-111 ÷ 691 = -0.16063675832127353
-0.16063675832127353 x 100 = -16.06%