-96.79% is the change from 936 to 30
Calculation steps:
[( 30 - 936 ) ÷ 936] x 100 = -96.79%
Formula
Percentage change = [(30 - 936) / 936] x 100
Subtract the new number by the original number
30 - 936 = -906
-906 ÷ 936 = -0.967948717948718
-0.967948717948718 x 100 = -96.79%