-63.12% is the change from 865 to 319
Calculation steps:
[( 319 - 865 ) ÷ 865] x 100 = -63.12%
Formula
Percentage change = [(319 - 865) / 865] x 100
Subtract the new number by the original number
319 - 865 = -546
-546 ÷ 865 = -0.63121387283237
-0.63121387283237 x 100 = -63.12%