-47.77% is the change from 806 to 421
Calculation steps:
[( 421 - 806 ) ÷ 806] x 100 = -47.77%
Formula
Percentage change = [(421 - 806) / 806] x 100
Subtract the new number by the original number
421 - 806 = -385
-385 ÷ 806 = -0.47766749379652607
-0.47766749379652607 x 100 = -47.77%