-43.88% is the change from 809 to 454
Calculation steps:
[( 454 - 809 ) ÷ 809] x 100 = -43.88%
Formula
Percentage change = [(454 - 809) / 809] x 100
Subtract the new number by the original number
454 - 809 = -355
-355 ÷ 809 = -0.4388133498145859
-0.4388133498145859 x 100 = -43.88%