-89.38% is the change from 866 to 92
Calculation steps:
[( 92 - 866 ) ÷ 866] x 100 = -89.38%
Formula
Percentage change = [(92 - 866) / 866] x 100
Subtract the new number by the original number
92 - 866 = -774
-774 ÷ 866 = -0.8937644341801386
-0.8937644341801386 x 100 = -89.38%