-15.2% is the change from 691 to 586
Calculation steps:
[( 586 - 691 ) ÷ 691] x 100 = -15.2%
Formula
Percentage change = [(586 - 691) / 691] x 100
Subtract the new number by the original number
586 - 691 = -105
-105 ÷ 691 = -0.15195369030390737
-0.15195369030390737 x 100 = -15.2%