-88.16% is the change from 828 to 98
Calculation steps:
[( 98 - 828 ) ÷ 828] x 100 = -88.16%
Formula
Percentage change = [(98 - 828) / 828] x 100
Subtract the new number by the original number
98 - 828 = -730
-730 ÷ 828 = -0.8816425120772947
-0.8816425120772947 x 100 = -88.16%