How are these numbers calculated?

Big Games

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

Week of 5/5100.0*Average seed
Lyon 3 Nantes 2 -0.2
Guingamp 4 Dijon 0 -0.1
Rennes 1 Montpellier 0 -0.1
Lille 0 Metz 2 +0.1
Toulouse 0 Caen 1 +0.1
Week of 5/13100.0*Average seed
Nantes 4 Guingamp 1 +1.0
Caen 0 Rennes 1 -0.2
Saint-Étienne 0 PSG 5 +0.0
Monaco 4 Lille 0 +0.0
Week of 5/17100.0*Average seed
Lille 3 Nantes 0 -0.6
Nancy 3 Saint-Étienne 1 +0.4
Rennes 2 Monaco 3 +0.2
Monaco 2 Saint-Étienne 0 +0.2
Points
Chance Will Win Championship