How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/23100.0*Chance wins title100.0*Average seed
Nancy 1 Marseille 2 +13.5
+0.2
Bordeaux 1 Monaco 0 -7.0
-0.1
Auxerre 1 Saint-Étienne 0 +0.1
Rennes 3 Lorient 1 *+0.1
Week of 5/30100.0*Chance wins title100.0*Average seed
Caen 0 Bordeaux 1 No
-0.2
Marseille 4 Rennes 0 +15.2
+0.2
Lorient 1 Le Mans UC72 1 +0.4
FC Nantes 2 Auxerre 1 +0.4
Nice 0 Le Havre 0 +0.3
Grenoble 0 Sochaux 1 +0.3
PSG 0 Monaco 0 +0.3
Lille 3 Nancy 2 +0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship