-15.31% is the change from 686 to 581
Calculation steps:
[( 581 - 686 ) ÷ 686] x 100 = -15.31%
Formula
Percentage change = [(581 - 686) / 686] x 100
Subtract the new number by the original number
581 - 686 = -105
-105 ÷ 686 = -0.15306122448979592
-0.15306122448979592 x 100 = -15.31%