-17.94% is the change from 864 to 709
Calculation steps:
[( 709 - 864 ) ÷ 864] x 100 = -17.94%
Formula
Percentage change = [(709 - 864) / 864] x 100
Subtract the new number by the original number
709 - 864 = -155
-155 ÷ 864 = -0.17939814814814814
-0.17939814814814814 x 100 = -17.94%