[6S.Maraz]

Yes these numbers are the Transformation Matrix of the oil splatter, so they are dictating its scaling, placement and orientation.

First 9 numbers are a 3x3 matrix for coordinate rotation and scaling:
0 -1 0
0 0 1
-1 0 0

This matrix has the determinant = 1, this means that there is actually no scaling, just rotation.
For better understanding these numbers, please see the Kumpel matrix tool in the Mod Tools section.

The last three numbers are for coordinate translation.
-0.31854 0 0.76695

Bye
Maraz