-41.78% is the change from 809 to 471
Calculation steps:
[( 471 - 809 ) ÷ 809] x 100 = -41.78%
Formula
Percentage change = [(471 - 809) / 809] x 100
Subtract the new number by the original number
471 - 809 = -338
-338 ÷ 809 = -0.4177997527812114
-0.4177997527812114 x 100 = -41.78%