-56.24% is the change from 809 to 354
Calculation steps:
[( 354 - 809 ) ÷ 809] x 100 = -56.24%
Formula
Percentage change = [(354 - 809) / 809] x 100
Subtract the new number by the original number
354 - 809 = -455
-455 ÷ 809 = -0.5624227441285538
-0.5624227441285538 x 100 = -56.24%