-1.72% is the change from 814 to 800
Calculation steps:
[( 800 - 814 ) ÷ 814] x 100 = -1.72%
Formula
Percentage change = [(800 - 814) / 814] x 100
Subtract the new number by the original number
800 - 814 = -14
-14 ÷ 814 = -0.0171990171990172
-0.0171990171990172 x 100 = -1.72%