-48.21% is the change from 809 to 419
Calculation steps:
[( 419 - 809 ) ÷ 809] x 100 = -48.21%
Formula
Percentage change = [(419 - 809) / 809] x 100
Subtract the new number by the original number
419 - 809 = -390
-390 ÷ 809 = -0.4820766378244747
-0.4820766378244747 x 100 = -48.21%