-42.02% is the change from 821 to 476
Calculation steps:
[( 476 - 821 ) ÷ 821] x 100 = -42.02%
Formula
Percentage change = [(476 - 821) / 821] x 100
Subtract the new number by the original number
476 - 821 = -345
-345 ÷ 821 = -0.42021924482338613
-0.42021924482338613 x 100 = -42.02%