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
Bordeaux 1 Toulouse 0 +0.4
Nice 1 Bordeaux 1 -0.2
Sochaux 0 Montpellier 1 -0.2
Toulouse 0 Lille 2 -0.1
Lyon 2 Auxerre 1 -0.1
Lille 3 Nancy 1 -0.1
Rennes 1 Sochaux 2 +0.1
Montpellier 0 Lyon 1 +0.0
Valenciennes 0 Lorient 0 +0.0
Week of 5/8100.0*Average seed
Montpellier 2 Lorient 1 -0.2
Bordeaux 2 Sochaux 0 +0.2
Week of 5/15100.0*Average seed
Lens 4 Bordeaux 3 -0.3
PSG 1 Montpellier 3 -0.3
Points
Chance Will Win Championship