-63.21% is the change from 867 to 319
Calculation steps:
[( 319 - 867 ) ÷ 867] x 100 = -63.21%
Formula
Percentage change = [(319 - 867) / 867] x 100
Subtract the new number by the original number
319 - 867 = -548
-548 ÷ 867 = -0.6320645905420992
-0.6320645905420992 x 100 = -63.21%