-56% is the change from 809 to 356
Calculation steps:
[( 356 - 809 ) ÷ 809] x 100 = -56%
Formula
Percentage change = [(356 - 809) / 809] x 100
Subtract the new number by the original number
356 - 809 = -453
-453 ÷ 809 = -0.5599505562422744
-0.5599505562422744 x 100 = -56%