-43.51% is the change from 809 to 457
Calculation steps:
[( 457 - 809 ) ÷ 809] x 100 = -43.51%
Formula
Percentage change = [(457 - 809) / 809] x 100
Subtract the new number by the original number
457 - 809 = -352
-352 ÷ 809 = -0.43510506798516685
-0.43510506798516685 x 100 = -43.51%