-53.02% is the change from 828 to 389
Calculation steps:
[( 389 - 828 ) ÷ 828] x 100 = -53.02%
Formula
Percentage change = [(389 - 828) / 828] x 100
Subtract the new number by the original number
389 - 828 = -439
-439 ÷ 828 = -0.5301932367149759
-0.5301932367149759 x 100 = -53.02%