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
Hoffenheim 2 Ingolstadt 1 -3.8
+1.1
Darmstadt 98 1 Frankfurt 2 +1.3
+0.2
Werder Bremen 6 Stuttgart 2 +0.7
+0.0
Augsburg 0 Köln 0 +0.0
Mainz 05 0 Hamburg SV 0 -0.0
Borussia Dortmund 5 Wolfsburg 1 +0.0
Week of 5/7100.0*2. Bundesliga100.0*Average seed
Hannover 96 1 Hoffenheim 0 +0.7
-1.3
Hertha 1 Darmstadt 98 2 +0.4
-0.2
Frankfurt 1 Borussia Dortmund 0 +0.4
-0.1
Stuttgart 1 Mainz 05 3 -0.3
+0.0
Köln 0 Werder Bremen 0 -0.1
+0.0
Schalke 04 1 Augsburg 1 -0.0
Hamburg SV 0 Wolfsburg 1 +0.1
Ingolstadt 1 Bayern München 2 +0.1
Week of 5/14100.0*2. Bundesliga100.0*Average seed
Hoffenheim 1 Schalke 04 4 -1.4
Darmstadt 98 0 Mönchengladbach 2 +0.2
Bayer Leverkusen 3 Ingolstadt 2 +0.1
Augsburg 1 Hamburg SV 3 -0.1
Werder Bremen 1 Frankfurt 0 -0.1
Points
Chance Will Win Championship