-88.68% is the change from 866 to 98
Calculation steps:
[( 98 - 866 ) ÷ 866] x 100 = -88.68%
Formula
Percentage change = [(98 - 866) / 866] x 100
Subtract the new number by the original number
98 - 866 = -768
-768 ÷ 866 = -0.8868360277136259
-0.8868360277136259 x 100 = -88.68%