How are these numbers calculated?

Big Games

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

Week of 5/24100.0*Average seed
AC Milan 2 AS Roma 3 +0.4
Atalanta BC 2 Palermo 2 +0.1
Sampdoria 2 Udinese 2 +0.1
Week of 5/31None
Points
Chance Will Win Championship