-64.13% is the change from 867 to 311
Calculation steps:
[( 311 - 867 ) ÷ 867] x 100 = -64.13%
Formula
Percentage change = [(311 - 867) / 867] x 100
Subtract the new number by the original number
311 - 867 = -556
-556 ÷ 867 = -0.6412918108419838
-0.6412918108419838 x 100 = -64.13%