-51.17% is the change from 809 to 395
Calculation steps:
[( 395 - 809 ) ÷ 809] x 100 = -51.17%
Formula
Percentage change = [(395 - 809) / 809] x 100
Subtract the new number by the original number
395 - 809 = -414
-414 ÷ 809 = -0.511742892459827
-0.511742892459827 x 100 = -51.17%