-97.69% is the change from 867 to 20
Calculation steps:
[( 20 - 867 ) ÷ 867] x 100 = -97.69%
Formula
Percentage change = [(20 - 867) / 867] x 100
Subtract the new number by the original number
20 - 867 = -847
-847 ÷ 867 = -0.9769319492502884
-0.9769319492502884 x 100 = -97.69%