-45.4% is the change from 804 to 439
Calculation steps:
[( 439 - 804 ) ÷ 804] x 100 = -45.4%
Formula
Percentage change = [(439 - 804) / 804] x 100
Subtract the new number by the original number
439 - 804 = -365
-365 ÷ 804 = -0.4539800995024876
-0.4539800995024876 x 100 = -45.4%