-45.86% is the change from 809 to 438
Calculation steps:
[( 438 - 809 ) ÷ 809] x 100 = -45.86%
Formula
Percentage change = [(438 - 809) / 809] x 100
Subtract the new number by the original number
438 - 809 = -371
-371 ÷ 809 = -0.45859085290482077
-0.45859085290482077 x 100 = -45.86%