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
SC Freiburg 1 VfL Wolfsburg 0 +10.1
-0.3
Leverkusen 3 Hannover 96 0 +5.8
-0.2
Nürnberg 2 BVB 3 -4.5
+0.1
VfL Bochum 0 VfB Stuttgart 2 -3.5
+0.1
Hertha Berlin 0 Schalke 1 -0.3
+0.1
Week of 5/8100.0*Relegated100.0*Average seed
VfL Bochum 0 Hannover 96 3 No
+1.3
Nürnberg 1 FC Köln 0 +12.0
-0.4
SC Freiburg 3 BVB 1 -0.2
Points
Chance Will Win Championship