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
Sochaux 2 Nice 0 +8.4
-0.1
Monaco 1 Guingamp 1 -6.3
+0.2
Reims 1 Evian 0 -1.8
+0.1
Paris SG 1 Rennes 2 +0.2
-0.1
St-Etienne 2 Montpellier 0 +0.0
Week of 5/10100.0*Down to Ligue 2100.0*Average seed
Rennes 1 Sochaux 2 +11.4
-0.2
Guingamp 2 Toulouse 0 No
+0.7
Evian 2 Nice 0 +8.1
-0.1
Montpellier 0 Bastia 2 +0.2
Week of 5/17100.0*Down to Ligue 2100.0*Average seed
Marseille 1 Guingamp 0 -1.0
Nice 0 Lyon 1 +0.4
Sochaux 0 Evian 3 -0.4
Paris SG 4 Montpellier 0 +0.2
Reims 1 Rennes 3 -0.2
Bastia 0 Nantes 0 -0.1
Points
Chance Will Win Championship