-53.4% is the change from 809 to 377
Calculation steps:
[( 377 - 809 ) ÷ 809] x 100 = -53.4%
Formula
Percentage change = [(377 - 809) / 809] x 100
Subtract the new number by the original number
377 - 809 = -432
-432 ÷ 809 = -0.5339925834363412
-0.5339925834363412 x 100 = -53.4%