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*2. Bundesliga100.0*Average seed
Borussia Dortmund 5 Wolfsburg 1 -0.9
Hoffenheim 2 Ingolstadt 1 +0.1
Werder Bremen 6 Stuttgart 2 +0.0
Darmstadt 98 1 Frankfurt 2 +0.1
Augsburg 0 Köln 0 +0.1
Mainz 05 0 Hamburg SV 0 +0.0
Week of 5/7100.0*2. Bundesliga100.0*Average seed
Hamburg SV 0 Wolfsburg 1 No
+1.4
Stuttgart 1 Mainz 05 3 No
+0.0
Hertha 1 Darmstadt 98 2 +0.1
-0.1
Frankfurt 1 Borussia Dortmund 0 +0.1
Köln 0 Werder Bremen 0 -0.0
+0.1
Hannover 96 1 Hoffenheim 0 +0.2
Schalke 04 1 Augsburg 1 +0.1
Ingolstadt 1 Bayern München 2 +0.2
Week of 5/14100.0*2. Bundesliga100.0*Average seed
Wolfsburg 3 Stuttgart 1 +0.5
Bayer Leverkusen 3 Ingolstadt 2 +0.2
Borussia Dortmund 2 Köln 2 +0.1
Points
Chance Will Win Championship