-45.98% is the change from 809 to 437
Calculation steps:
[( 437 - 809 ) ÷ 809] x 100 = -45.98%
Formula
Percentage change = [(437 - 809) / 809] x 100
Subtract the new number by the original number
437 - 809 = -372
-372 ÷ 809 = -0.45982694684796044
-0.45982694684796044 x 100 = -45.98%