-51.73% is the change from 837 to 404
Calculation steps:
[( 404 - 837 ) ÷ 837] x 100 = -51.73%
Formula
Percentage change = [(404 - 837) / 837] x 100
Subtract the new number by the original number
404 - 837 = -433
-433 ÷ 837 = -0.5173237753882916
-0.5173237753882916 x 100 = -51.73%