-97.58% is the change from 826 to 20
Calculation steps:
[( 20 - 826 ) ÷ 826] x 100 = -97.58%
Formula
Percentage change = [(20 - 826) / 826] x 100
Subtract the new number by the original number
20 - 826 = -806
-806 ÷ 826 = -0.9757869249394673
-0.9757869249394673 x 100 = -97.58%