-64.05% is the change from 865 to 311
Calculation steps:
[( 311 - 865 ) ÷ 865] x 100 = -64.05%
Formula
Percentage change = [(311 - 865) / 865] x 100
Subtract the new number by the original number
311 - 865 = -554
-554 ÷ 865 = -0.6404624277456648
-0.6404624277456648 x 100 = -64.05%