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*2. Bundesliga100.0*Average seed
Wolfsburg 2 Nürnberg 0 +2.9
-0.2
Hertha BSC 3 Stuttgart 1 -2.7
+0.1
Bayern München 3 Hannover 96 1 -0.3
+0.2
Week of 5/11100.0*2. Bundesliga100.0*Average seed
Nürnberg 0 Mönchengladbach 4 Yes
-0.3
Stuttgart 3 Wolfsburg 0 Yes
Hannover 96 3 Freiburg 0 +0.1
-0.2
Week of 5/18100.0*2. Bundesliga100.0*Average seed
Düsseldorf 2 Hannover 96 1 +0.2
Freiburg 5 Nürnberg 1 -0.1
Points
Chance Will Win Championship