-1.75% is the change from 800 to 786
Calculation steps:
[( 786 - 800 ) ÷ 800] x 100 = -1.75%
Formula
Percentage change = [(786 - 800) / 800] x 100
Subtract the new number by the original number
786 - 800 = -14
-14 ÷ 800 = -0.0175
-0.0175 x 100 = -1.75%