-94.2% is the change from 828 to 48
Calculation steps:
[( 48 - 828 ) ÷ 828] x 100 = -94.2%
Formula
Percentage change = [(48 - 828) / 828] x 100
Subtract the new number by the original number
48 - 828 = -780
-780 ÷ 828 = -0.9420289855072463
-0.9420289855072463 x 100 = -94.2%