How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Average seed
Anderlecht 2 Club Brugge 0 -0.3
Week of 5/9100.0*Average seed
Club Brugge 4 Westerlo 0 +0.1
Mons 1 Anderlecht 2 -0.1
Points
Chance Will Win Championship