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*Down to Ligue 2100.0*Average seed
Paris SG 1 Rennes 2 No
+1.9
Sochaux 2 Nice 0 +1.3
+0.1
Reims 1 Evian 0 -0.5
+0.1
Monaco 1 Guingamp 1 +0.2
-0.0
St-Etienne 2 Montpellier 0 +0.1
Lorient 1 Ajaccio 0 -0.1
Toulouse 1 Nantes 1 -0.0
Week of 5/10100.0*Down to Ligue 2100.0*Average seed
Rennes 1 Sochaux 2 -1.5
Lyon 0 Lorient 1 -0.2
Nantes 1 St-Etienne 3 +0.2
Evian 2 Nice 0 +0.1
Guingamp 2 Toulouse 0 +0.1
Ajaccio 2 Reims 1 +0.0
Week of 5/17100.0*Down to Ligue 2100.0*Average seed
Reims 1 Rennes 3 +1.4
Sochaux 0 Evian 3 -0.4
Nice 0 Lyon 1 +0.3
Marseille 1 Guingamp 0 +0.2
Paris SG 4 Montpellier 0 +0.1
Bastia 0 Nantes 0 +0.0
Toulouse 3 Valenciennes 1 -0.0
Points
Chance Will Win Championship