How are these numbers calculated?

Big Games

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

Week of 5/6100.0*Average seed
Mönchengladbach 1 Augsburg 1 -0.4
Frankfurt 0 Wolfsburg 2 +0.2
Freiburg 2 Schalke 04 0 -0.1
Hertha 1 Leipzig 4 +0.1
Week of 5/13100.0*Average seed
Wolfsburg 1 Mönchengladbach 1 -0.5
Schalke 04 1 Hamburg 1 +0.2
Werder Bremen 3 Hoffenheim 5 +0.2
Darmstadt 98 0 Hertha 2 -0.1
Mainz 05 4 Frankfurt 2 +0.1
Freiburg 1 Ingolstadt 1 +0.0
Week of 5/20100.0*Average seed
Mönchengladbach 2 Darmstadt 98 2 -0.7
Ingolstadt 1 Schalke 04 1 +0.2
Borussia Dortmund 4 Werder Bremen 3 +0.2
Köln 2 Mainz 05 0 -0.2
Frankfurt 2 Leipzig 2 +0.0
Points
Chance Will Win Championship