-62.75% is the change from 867 to 323
Calculation steps:
[( 323 - 867 ) ÷ 867] x 100 = -62.75%
Formula
Percentage change = [(323 - 867) / 867] x 100
Subtract the new number by the original number
323 - 867 = -544
-544 ÷ 867 = -0.6274509803921569
-0.6274509803921569 x 100 = -62.75%