-46.72% is the change from 809 to 431
Calculation steps:
[( 431 - 809 ) ÷ 809] x 100 = -46.72%
Formula
Percentage change = [(431 - 809) / 809] x 100
Subtract the new number by the original number
431 - 809 = -378
-378 ÷ 809 = -0.4672435105067985
-0.4672435105067985 x 100 = -46.72%