How are these numbers calculated?

Big Games

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

Week of 5/10100.0*Average seed
Strasbourg 1 Caen 4 +0.9
Metz 1 Lorient 2 -0.2
Bordeaux 2 Sochaux 0 +0.1
Valenciennes 1 Nice 2 +0.0
Monaco 3 Auxerre 0 -0.0
Week of 5/17100.0*Average seed
Nice 3 Caen 1 -0.4
Metz 4 Le Mans UC72 3 +0.1
Points
Chance Will Win Championship