-51.88% is the change from 800 to 385
Calculation steps:
[( 385 - 800 ) ÷ 800] x 100 = -51.88%
Formula
Percentage change = [(385 - 800) / 800] x 100
Subtract the new number by the original number
385 - 800 = -415
-415 ÷ 800 = -0.51875
-0.51875 x 100 = -51.88%