-93.48% is the change from 828 to 54
Calculation steps:
[( 54 - 828 ) ÷ 828] x 100 = -93.48%
Formula
Percentage change = [(54 - 828) / 828] x 100
Subtract the new number by the original number
54 - 828 = -774
-774 ÷ 828 = -0.9347826086956522
-0.9347826086956522 x 100 = -93.48%