-99.76% is the change from 827 to 2
Calculation steps:
[( 2 - 827 ) ÷ 827] x 100 = -99.76%
Formula
Percentage change = [(2 - 827) / 827] x 100
Subtract the new number by the original number
2 - 827 = -825
-825 ÷ 827 = -0.9975816203143894
-0.9975816203143894 x 100 = -99.76%