-14.25% is the change from 800 to 686
Calculation steps:
[( 686 - 800 ) ÷ 800] x 100 = -14.25%
Formula
Percentage change = [(686 - 800) / 800] x 100
Subtract the new number by the original number
686 - 800 = -114
-114 ÷ 800 = -0.1425
-0.1425 x 100 = -14.25%