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
Rennes 1 Sochaux 2 -0.6
Marseille 3 Rennes 1 -0.2
Lorient 2 Monaco 2 +0.1
Bordeaux 1 Toulouse 0 -0.0
Valenciennes 0 Lorient 0 +0.0
PSG 2 Valenciennes 2 +0.0
Week of 5/8100.0*Average seed
Rennes 2 Nice 2 -0.3
Montpellier 2 Lorient 1 +0.2
Monaco 2 Nancy 1 -0.1
Valenciennes 2 Lyon 2 +0.0
Week of 5/15100.0*Average seed
Boulogne 1 Rennes 0 -1.0
Lorient 2 Lille 1 -0.3
Nancy 1 Valenciennes 1 +0.1
Toulouse 0 Monaco 0 -0.0
Points
Chance Will Win Championship