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
Bayern München 3 Hannover 96 1 +2.7
-0.2
Hertha BSC 3 Stuttgart 1 -2.5
+0.1
Wolfsburg 2 Nürnberg 0 -0.5
+0.2
Week of 5/11100.0*2. Bundesliga100.0*Average seed
Hannover 96 3 Freiburg 0 -3.4
+0.3
Stuttgart 3 Wolfsburg 0 Yes
Nürnberg 0 Mönchengladbach 4 -0.2
+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