-98.55% is the change from 826 to 12
Calculation steps:
[( 12 - 826 ) ÷ 826] x 100 = -98.55%
Formula
Percentage change = [(12 - 826) / 826] x 100
Subtract the new number by the original number
12 - 826 = -814
-814 ÷ 826 = -0.9854721549636803
-0.9854721549636803 x 100 = -98.55%