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
Werder Bremen 6 Stuttgart 2 -22.4
+0.8
Darmstadt 98 1 Frankfurt 2 +6.3
Hoffenheim 2 Ingolstadt 1 +1.4
-0.1
Augsburg 0 Köln 0 +0.1
Mainz 05 0 Hamburg SV 0 +0.1
Week of 5/7100.0*2. Bundesliga100.0*Average seed
Frankfurt 1 Borussia Dortmund 0 +8.2
-0.2
Stuttgart 1 Mainz 05 3 -5.9
+0.2
Hertha 1 Darmstadt 98 2 +2.8
-0.3
Hannover 96 1 Hoffenheim 0 -0.2
+0.1
Schalke 04 1 Augsburg 1 +0.1
-0.0
Hamburg SV 0 Wolfsburg 1 +0.1
Köln 0 Werder Bremen 0 -0.1
Week of 5/14100.0*2. Bundesliga100.0*Average seed
Werder Bremen 1 Frankfurt 0 No
+1.2
Wolfsburg 3 Stuttgart 1 -3.5
+0.1
Hoffenheim 1 Schalke 04 4 +0.3
Darmstadt 98 0 Mönchengladbach 2 +0.2
Augsburg 1 Hamburg SV 3 +0.1
Points
Chance Will Win Championship