-96.19% is the change from 866 to 33
Calculation steps:
[( 33 - 866 ) ÷ 866] x 100 = -96.19%
Formula
Percentage change = [(33 - 866) / 866] x 100
Subtract the new number by the original number
33 - 866 = -833
-833 ÷ 866 = -0.9618937644341802
-0.9618937644341802 x 100 = -96.19%