-11.42% is the change from 867 to 768
Calculation steps:
[( 768 - 867 ) ÷ 867] x 100 = -11.42%
Formula
Percentage change = [(768 - 867) / 867] x 100
Subtract the new number by the original number
768 - 867 = -99
-99 ÷ 867 = -0.11418685121107267
-0.11418685121107267 x 100 = -11.42%