-46.07% is the change from 814 to 439
Calculation steps:
[( 439 - 814 ) ÷ 814] x 100 = -46.07%
Formula
Percentage change = [(439 - 814) / 814] x 100
Subtract the new number by the original number
439 - 814 = -375
-375 ÷ 814 = -0.4606879606879607
-0.4606879606879607 x 100 = -46.07%