-13.12% is the change from 686 to 596
Calculation steps:
[( 596 - 686 ) ÷ 686] x 100 = -13.12%
Formula
Percentage change = [(596 - 686) / 686] x 100
Subtract the new number by the original number
596 - 686 = -90
-90 ÷ 686 = -0.13119533527696792
-0.13119533527696792 x 100 = -13.12%