How are these numbers calculated?

Big Games

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

Week of 5/4100.0*Average seed
Paris SG 1 Rennes 2 -0.2
Toulouse 1 Nantes 1 +0.1
Sochaux 2 Nice 0 +0.1
Lorient 1 Ajaccio 0 -0.1
St-Etienne 2 Montpellier 0 +0.1
Reims 1 Evian 0 -0.1
Valenciennes 0 Bordeaux 1 -0.1
Week of 5/10100.0*Average seed
Nantes 1 St-Etienne 3 -1.1
Lyon 0 Lorient 1 -0.3
Rennes 1 Sochaux 2 +0.2
Guingamp 2 Toulouse 0 +0.1
Ajaccio 2 Reims 1 +0.1
Evian 2 Nice 0 +0.1
Montpellier 0 Bastia 2 -0.1
Week of 5/17100.0*Average seed
Reims 1 Rennes 3 -0.4
Toulouse 3 Valenciennes 1 -0.2
Bastia 0 Nantes 0 -0.2
Marseille 1 Guingamp 0 +0.1
Nice 0 Lyon 1 +0.1
Paris SG 4 Montpellier 0 +0.0
Points
Chance Will Win Championship