How are these numbers calculated?

Big Games

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

Week of 4/29100.0*2. Bundesliga100.0*Average seed
Wolfsburg 1 Hamburger SV 3 -15.0
+0.5
Mainz 05 3 Leipzig 0 +2.7
-0.1
Freiburg 3 Köln 2 +2.7
+0.1
Week of 5/5100.0*2. Bundesliga100.0*Average seed
Eintracht Frank 3 Hamburger SV 0 +11.3
-0.3
Leipzig 4 Wolfsburg 1 -8.4
+0.2
Borussia Dortmund 1 Mainz 05 2 +1.6
Mönchengladbach 3 Freiburg 1 -1.6
Week of 5/12100.0*2. Bundesliga100.0*Average seed
Hamburger SV 2 Mönchengladbach 1 -12.9
+0.3
Wolfsburg 4 Köln 1 Yes
-0.1
Points
Chance Will Win Championship