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 -32.8
+1.1
Guingamp 4 Dijon 0 -5.4
+0.1
PSG 5 Bastia 0 -1.4
+0.1
Nancy 0 Monaco 3 -1.2
+0.1
Lorient 1 Angers 1 -0.1
Week of 5/13100.0*Ligue 2100.0*Average seed
Caen 0 Rennes 1 +21.8
-0.5
Dijon 2 Nancy 0 +11.7
-0.2
Bastia 2 Lorient 0 -8.3
+0.2
Week of 5/17100.0*Ligue 2100.0*Average seed
PSG 1 Caen 1 -32.2
+0.6
Marseille 1 Bastia 0 -17.3
+0.3
Lorient 1 Bordeaux 1 +16.3
-0.3
Toulouse 0 Dijon 0 +3.1
-0.1
Points
Chance Will Win Championship