-97.86% is the change from 936 to 20
Calculation steps:
[( 20 - 936 ) ÷ 936] x 100 = -97.86%
Formula
Percentage change = [(20 - 936) / 936] x 100
Subtract the new number by the original number
20 - 936 = -916
-916 ÷ 936 = -0.9786324786324786
-0.9786324786324786 x 100 = -97.86%