How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/11100.0*Average seed
Napoli 3 AC Milan 1 -0.3
Fiorentina 3 Parma 1 -0.1
Week of 5/17100.0*Average seed
Torino 0 Fiorentina 1 -0.5
AC Milan 4 Udinese 1 +0.1
Points
Chance Will Win Championship