-49.38% is the change from 806 to 408
Calculation steps:
[( 408 - 806 ) ÷ 806] x 100 = -49.38%
Formula
Percentage change = [(408 - 806) / 806] x 100
Subtract the new number by the original number
408 - 806 = -398
-398 ÷ 806 = -0.49379652605459057
-0.49379652605459057 x 100 = -49.38%