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 +5.4
-0.3
Nancy 0 Monaco 3 +5.0
-0.2
Guingamp 4 Dijon 0 -4.3
+0.1
PSG 5 Bastia 0 -1.0
+0.1
Lorient 1 Angers 1 -0.3
Week of 5/13100.0*Ligue 2100.0*Average seed
Dijon 2 Nancy 0 Yes
-0.6
Bastia 2 Lorient 0 -3.8
-0.2
Caen 0 Rennes 1 -2.7
+0.1
Week of 5/17100.0*Ligue 2100.0*Average seed
Nancy 3 Saint-Étienne 1 +0.9
Lorient 1 Bordeaux 1 -0.1
Marseille 1 Bastia 0 +0.1
Points
Chance Will Win Championship