-14.04% is the change from 798 to 686
Calculation steps:
[( 686 - 798 ) ÷ 798] x 100 = -14.04%
Formula
Percentage change = [(686 - 798) / 798] x 100
Subtract the new number by the original number
686 - 798 = -112
-112 ÷ 798 = -0.14035087719298245
-0.14035087719298245 x 100 = -14.04%