-97.27% is the change from 842 to 23
Calculation steps:
[( 23 - 842 ) ÷ 842] x 100 = -97.27%
Formula
Percentage change = [(23 - 842) / 842] x 100
Subtract the new number by the original number
23 - 842 = -819
-819 ÷ 842 = -0.9726840855106889
-0.9726840855106889 x 100 = -97.27%