How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Relegated100.0*Average seed
Boulogne 0 Saint-Étienne 1 Yes
+0.2
Nancy 3 Le Mans UC72 2 Yes
-0.1
Saint-Étienne 1 Lens 4 -0.1
Boulogne 3 Nice 3 +0.1
Week of 5/8100.0*Relegated100.0*Average seed
Le Mans UC72 1 PSG 0 +0.2
Grenoble 2 Boulogne 0 +0.1
Week of 5/15None
Points
Chance Will Win Championship