-63.93% is the change from 865 to 312
Calculation steps:
[( 312 - 865 ) ÷ 865] x 100 = -63.93%
Formula
Percentage change = [(312 - 865) / 865] x 100
Subtract the new number by the original number
312 - 865 = -553
-553 ÷ 865 = -0.6393063583815028
-0.6393063583815028 x 100 = -63.93%