How are these numbers calculated?

Big Games

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

Week of 5/16100.0*Relegated100.0*Average seed
VfL Bochum 2 Eintracht 0 -21.6
+0.6
BVB 6 Arminia Bielefeld 0 -2.9
+0.1
VfB Stuttgart 2 Energie Cottbus 0 -1.6
+0.0
Werder Bremen 1 Karlsruher 3 +0.8
Leverkusen 5 VfL Borussia 0 -0.7
+0.1
Hamburger SV 0 FC Köln 1 +0.2
Week of 5/23100.0*Relegated100.0*Average seed
FC Köln 1 VfL Bochum 1 -0.2
VfL Borussia 1 BVB 1 +0.2
Eintracht 2 Hamburger SV 3 +0.1
Points
Chance Will Win Championship