-14.37% is the change from 800 to 685
Calculation steps:
[( 685 - 800 ) ÷ 800] x 100 = -14.37%
Formula
Percentage change = [(685 - 800) / 800] x 100
Subtract the new number by the original number
685 - 800 = -115
-115 ÷ 800 = -0.14375
-0.14375 x 100 = -14.37%