-46.33% is the change from 818 to 439
Calculation steps:
[( 439 - 818 ) ÷ 818] x 100 = -46.33%
Formula
Percentage change = [(439 - 818) / 818] x 100
Subtract the new number by the original number
439 - 818 = -379
-379 ÷ 818 = -0.4633251833740831
-0.4633251833740831 x 100 = -46.33%