How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Relegated100.0*Average seed
VfL Bochum 0 VfB Stuttgart 2 +14.7
-0.4
Nürnberg 2 BVB 3 -8.2
+0.2
SC Freiburg 1 VfL Wolfsburg 0 +5.3
-0.3
Leverkusen 3 Hannover 96 0 -1.2
+0.0
Hertha Berlin 0 Schalke 1 -0.1
Week of 5/8100.0*Relegated100.0*Average seed
VfL Bochum 0 Hannover 96 3 Yes
-0.9
Nürnberg 1 FC Köln 0 +3.7
-0.3
Points
Chance Will Win Championship