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
Saint-Étienne 1 Lens 4 +0.7
Lens 1 Grenoble 1 -0.5
Rennes 1 Sochaux 2 -0.2
Toulouse 0 Lille 2 +0.2
Nancy 3 Le Mans UC72 2 -0.1
Sochaux 0 Montpellier 1 +0.1
Nice 1 Bordeaux 1 +0.0
Bordeaux 1 Toulouse 0 +0.0
Lille 3 Nancy 1 +0.0
Boulogne 3 Nice 3 +0.0
PSG 2 Valenciennes 2 +0.0
Week of 5/8100.0*Average seed
Saint-Étienne 0 Toulouse 1 -0.2
Auxerre 0 Lens 0 +0.2
Monaco 2 Nancy 1 +0.1
Rennes 2 Nice 2 -0.0
Bordeaux 2 Sochaux 0 +0.0
Week of 5/15100.0*Average seed
Lens 4 Bordeaux 3 +1.1
PSG 1 Montpellier 3 +0.2
Nancy 1 Valenciennes 1 +0.2
Nice 1 Saint-Étienne 1 +0.2
Toulouse 0 Monaco 0 +0.2
Points
Chance Will Win Championship