-89.15% is the change from 866 to 94
Calculation steps:
[( 94 - 866 ) ÷ 866] x 100 = -89.15%
Formula
Percentage change = [(94 - 866) / 866] x 100
Subtract the new number by the original number
94 - 866 = -772
-772 ÷ 866 = -0.8914549653579676
-0.8914549653579676 x 100 = -89.15%