-51.74% is the change from 804 to 388
Calculation steps:
[( 388 - 804 ) ÷ 804] x 100 = -51.74%
Formula
Percentage change = [(388 - 804) / 804] x 100
Subtract the new number by the original number
388 - 804 = -416
-416 ÷ 804 = -0.5174129353233831
-0.5174129353233831 x 100 = -51.74%