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 +10.1
-0.3
Guingamp 4 Dijon 0 -3.9
+0.2
Lorient 1 Angers 1 +2.8
-0.2
PSG 5 Bastia 0 -1.9
+0.0
Nancy 0 Monaco 3 -1.3
+0.0
Lille 0 Metz 2 -0.1
Week of 5/13100.0*Ligue 2100.0*Average seed
Bastia 2 Lorient 0 +38.3
-1.1
Caen 0 Rennes 1 -7.1
+0.2
Dijon 2 Nancy 0 +6.4
-0.1
Montpellier 1 Lyon 3 +0.0
Week of 5/17100.0*Ligue 2100.0*Average seed
PSG 1 Caen 1 +10.4
-0.2
Lorient 1 Bordeaux 1 -8.9
+0.4
Marseille 1 Bastia 0 -8.9
+0.2
Toulouse 0 Dijon 0 -0.8
+0.1
Nancy 3 Saint-Étienne 1 -0.4
Points
Chance Will Win Championship