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*2. Bundesliga100.0*Average seed
Frankfurt 0 Wolfsburg 2 +3.5
-0.2
Ingolstadt 1 Bayer Leverkusen 1 -1.4
Mönchengladbach 1 Augsburg 1 +0.4
Hamburg 0 Mainz 05 0 -0.1
-0.2
Week of 5/13100.0*2. Bundesliga100.0*Average seed
Mainz 05 4 Frankfurt 2 +6.9
-0.2
Schalke 04 1 Hamburg 1 +2.2
-0.2
Freiburg 1 Ingolstadt 1 -1.6
+0.0
Augsburg 1 Borussia Dortmund 1 +0.8
-0.0
Wolfsburg 1 Mönchengladbach 1 +0.6
-0.0
Bayer Leverkusen 2 Köln 2 +0.2
Week of 5/20100.0*2. Bundesliga100.0*Average seed
Hamburg 2 Wolfsburg 1 No
+1.1
Köln 2 Mainz 05 0 +0.2
Hoffenheim 0 Augsburg 0 -0.1
Points
Chance Will Win Championship