-56% is the change from 800 to 352
Calculation steps:
[( 352 - 800 ) ÷ 800] x 100 = -56%
Formula
Percentage change = [(352 - 800) / 800] x 100
Subtract the new number by the original number
352 - 800 = -448
-448 ÷ 800 = -0.56
-0.56 x 100 = -56%
Example