-87.88% is the change from 866 to 105
Calculation steps:
[( 105 - 866 ) ÷ 866] x 100 = -87.88%
Formula
Percentage change = [(105 - 866) / 866] x 100
Subtract the new number by the original number
105 - 866 = -761
-761 ÷ 866 = -0.8787528868360277
-0.8787528868360277 x 100 = -87.88%