How are these numbers calculated?

Big Games

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

Week of 5/1100.0*Relegated100.0*Average seed
AC Siena 1 Palermo 2 Yes
-0.2
Atalanta BC 1 Bologna 1 Yes
Sampdoria 2 Livorno 0 +0.1
Week of 5/9100.0*Relegated100.0*Average seed
Livorno 1 Lazio 2 +0.2
Fiorentina 1 AC Siena 1 +0.0
Week of 5/15100.0*Relegated100.0*Average seed
Parma 4 Livorno 1 +0.1
AC Siena 0 Inter Milan 1 -0.1
Points
Chance Will Win Championship