-12% is the change from 800 to 704
Calculation steps:
[( 704 - 800 ) ÷ 800] x 100 = -12%
Formula
Percentage change = [(704 - 800) / 800] x 100
Subtract the new number by the original number
704 - 800 = -96
-96 ÷ 800 = -0.12
-0.12 x 100 = -12%
Example