-22.11% is the change from 864 to 673
Calculation steps:
[( 673 - 864 ) ÷ 864] x 100 = -22.11%
Formula
Percentage change = [(673 - 864) / 864] x 100
Subtract the new number by the original number
673 - 864 = -191
-191 ÷ 864 = -0.22106481481481483
-0.22106481481481483 x 100 = -22.11%