-11.43% is the change from 866 to 767
Calculation steps:
[( 767 - 866 ) ÷ 866] x 100 = -11.43%
Formula
Percentage change = [(767 - 866) / 866] x 100
Subtract the new number by the original number
767 - 866 = -99
-99 ÷ 866 = -0.11431870669745958
-0.11431870669745958 x 100 = -11.43%