-46.9% is the change from 823 to 437
Calculation steps:
[( 437 - 823 ) ÷ 823] x 100 = -46.9%
Formula
Percentage change = [(437 - 823) / 823] x 100
Subtract the new number by the original number
437 - 823 = -386
-386 ÷ 823 = -0.4690157958687728
-0.4690157958687728 x 100 = -46.9%