-11.66% is the change from 866 to 765
Calculation steps:
[( 765 - 866 ) ÷ 866] x 100 = -11.66%
Formula
Percentage change = [(765 - 866) / 866] x 100
Subtract the new number by the original number
765 - 866 = -101
-101 ÷ 866 = -0.11662817551963048
-0.11662817551963048 x 100 = -11.66%