-42.15% is the change from 828 to 479
Calculation steps:
[( 479 - 828 ) ÷ 828] x 100 = -42.15%
Formula
Percentage change = [(479 - 828) / 828] x 100
Subtract the new number by the original number
479 - 828 = -349
-349 ÷ 828 = -0.4214975845410628
-0.4214975845410628 x 100 = -42.15%