-98.31% is the change from 828 to 14
Calculation steps:
[( 14 - 828 ) ÷ 828] x 100 = -98.31%
Formula
Percentage change = [(14 - 828) / 828] x 100
Subtract the new number by the original number
14 - 828 = -814
-814 ÷ 828 = -0.9830917874396136
-0.9830917874396136 x 100 = -98.31%