-45.36% is the change from 809 to 442
Calculation steps:
[( 442 - 809 ) ÷ 809] x 100 = -45.36%
Formula
Percentage change = [(442 - 809) / 809] x 100
Subtract the new number by the original number
442 - 809 = -367
-367 ÷ 809 = -0.453646477132262
-0.453646477132262 x 100 = -45.36%