-43.76% is the change from 809 to 455
Calculation steps:
[( 455 - 809 ) ÷ 809] x 100 = -43.76%
Formula
Percentage change = [(455 - 809) / 809] x 100
Subtract the new number by the original number
455 - 809 = -354
-354 ÷ 809 = -0.43757725587144625
-0.43757725587144625 x 100 = -43.76%