-13.85% is the change from 686 to 591
Calculation steps:
[( 591 - 686 ) ÷ 686] x 100 = -13.85%
Formula
Percentage change = [(591 - 686) / 686] x 100
Subtract the new number by the original number
591 - 686 = -95
-95 ÷ 686 = -0.13848396501457727
-0.13848396501457727 x 100 = -13.85%