How are these numbers calculated?

Big Games

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

Week of 5/10100.0*Chance wins title100.0*Average seed
Lyon 1 Nancy 0 +12.2
+0.1
Bordeaux 2 Sochaux 0 -7.9
-0.1
Lille 2 Lens 1 -0.3
Valenciennes 1 Nice 2 -0.2
Week of 5/17100.0*Chance wins title100.0*Average seed
Auxerre 1 Lyon 3 Yes
+0.1
Lens 2 Bordeaux 2 Yes
+0.1
Lorient 1 Lille 1 -0.1
Points
Chance Will Win Championship