How are these numbers calculated?

Big Games

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

Week of 5/23100.0*Average seed
Nice 0 Toulouse 2 +0.5
Le Havre 0 Lille 1 -0.2
Valenciennes 2 PSG 1 +0.1
Rennes 3 Lorient 1 -0.1
Week of 5/30100.0*Average seed
Lille 3 Nancy 2 -0.1
PSG 0 Monaco 0 +0.1
Marseille 4 Rennes 0 +0.0
Points
Chance Will Win Championship