-86.37% is the change from 866 to 118
Calculation steps:
[( 118 - 866 ) ÷ 866] x 100 = -86.37%
Formula
Percentage change = [(118 - 866) / 866] x 100
Subtract the new number by the original number
118 - 866 = -748
-748 ÷ 866 = -0.8637413394919169
-0.8637413394919169 x 100 = -86.37%