-54.63% is the change from 800 to 363
Calculation steps:
[( 363 - 800 ) ÷ 800] x 100 = -54.63%
Formula
Percentage change = [(363 - 800) / 800] x 100
Subtract the new number by the original number
363 - 800 = -437
-437 ÷ 800 = -0.54625
-0.54625 x 100 = -54.63%