-39.63% is the change from 800 to 483
Calculation steps:
[( 483 - 800 ) ÷ 800] x 100 = -39.63%
Formula
Percentage change = [(483 - 800) / 800] x 100
Subtract the new number by the original number
483 - 800 = -317
-317 ÷ 800 = -0.39625
-0.39625 x 100 = -39.63%