How are these numbers calculated?

Big Games

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

Week of 5/4100.0*UEFA CL100.0*Average seed
St-Etienne 2 Montpellier 0 +3.1
+0.1
Bastia 1 Lille 1 +0.4
Marseille 4 Lyon 2 +0.1
Week of 5/10100.0*UEFA CL100.0*Average seed
Nantes 1 St-Etienne 3 +12.5
+0.1
Lille 1 Paris SG 3 +6.7
+0.1
Week of 5/17100.0*UEFA CL100.0*Average seed
Lorient 1 Lille 4 No
-0.4
St-Etienne 3 Ajaccio 1 +24.3
+0.2
Points
Chance Will Win Championship