-46.35% is the change from 809 to 434
Calculation steps:
[( 434 - 809 ) ÷ 809] x 100 = -46.35%
Formula
Percentage change = [(434 - 809) / 809] x 100
Subtract the new number by the original number
434 - 809 = -375
-375 ÷ 809 = -0.4635352286773795
-0.4635352286773795 x 100 = -46.35%