-11.85% is the change from 869 to 766
Calculation steps:
[( 766 - 869 ) ÷ 869] x 100 = -11.85%
Formula
Percentage change = [(766 - 869) / 869] x 100
Subtract the new number by the original number
766 - 869 = -103
-103 ÷ 869 = -0.11852704257767549
-0.11852704257767549 x 100 = -11.85%