-14.5% is the change from 800 to 684
Calculation steps:
[( 684 - 800 ) ÷ 800] x 100 = -14.5%
Formula
Percentage change = [(684 - 800) / 800] x 100
Subtract the new number by the original number
684 - 800 = -116
-116 ÷ 800 = -0.145
-0.145 x 100 = -14.5%