-66.82% is the change from 865 to 287
Calculation steps:
[( 287 - 865 ) ÷ 865] x 100 = -66.82%
Formula
Percentage change = [(287 - 865) / 865] x 100
Subtract the new number by the original number
287 - 865 = -578
-578 ÷ 865 = -0.6682080924855491
-0.6682080924855491 x 100 = -66.82%