-11.34% is the change from 864 to 766
Calculation steps:
[( 766 - 864 ) ÷ 864] x 100 = -11.34%
Formula
Percentage change = [(766 - 864) / 864] x 100
Subtract the new number by the original number
766 - 864 = -98
-98 ÷ 864 = -0.11342592592592593
-0.11342592592592593 x 100 = -11.34%