-38% is the change from 800 to 496
Calculation steps:
[( 496 - 800 ) ÷ 800] x 100 = -38%
Formula
Percentage change = [(496 - 800) / 800] x 100
Subtract the new number by the original number
496 - 800 = -304
-304 ÷ 800 = -0.38
-0.38 x 100 = -38%
Example