-55.88% is the change from 800 to 353
Calculation steps:
[( 353 - 800 ) ÷ 800] x 100 = -55.88%
Formula
Percentage change = [(353 - 800) / 800] x 100
Subtract the new number by the original number
353 - 800 = -447
-447 ÷ 800 = -0.55875
-0.55875 x 100 = -55.88%