-9.23% is the change from 867 to 787
Calculation steps:
[( 787 - 867 ) ÷ 867] x 100 = -9.23%
Formula
Percentage change = [(787 - 867) / 867] x 100
Subtract the new number by the original number
787 - 867 = -80
-80 ÷ 867 = -0.0922722029988466
-0.0922722029988466 x 100 = -9.23%