-51.26% is the change from 833 to 406
Calculation steps:
[( 406 - 833 ) ÷ 833] x 100 = -51.26%
Formula
Percentage change = [(406 - 833) / 833] x 100
Subtract the new number by the original number
406 - 833 = -427
-427 ÷ 833 = -0.5126050420168067
-0.5126050420168067 x 100 = -51.26%