-43.63% is the change from 809 to 456
Calculation steps:
[( 456 - 809 ) ÷ 809] x 100 = -43.63%
Formula
Percentage change = [(456 - 809) / 809] x 100
Subtract the new number by the original number
456 - 809 = -353
-353 ÷ 809 = -0.4363411619283066
-0.4363411619283066 x 100 = -43.63%