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*Ligue 2100.0*Average seed
Toulouse 0 Caen 1 +0.2
+0.1
Lorient 1 Angers 1 -0.1
-0.1
Guingamp 4 Dijon 0 -0.1
PSG 5 Bastia 0 -0.0
Lille 0 Metz 2 -0.2
Rennes 1 Montpellier 0 +0.1
Week of 5/13100.0*Ligue 2100.0*Average seed
Nice 0 Angers 2 +1.2
Montpellier 1 Lyon 3 +0.1
Monaco 4 Lille 0 +0.0
Week of 5/17100.0*Ligue 2100.0*Average seed
Angers 2 Montpellier 0 +0.9
Lille 3 Nantes 0 -0.3
Guingamp 1 Metz 0 +0.3
Toulouse 0 Dijon 0 +0.0
Points
Chance Will Win Championship