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*Relegated100.0*Average seed
VVV 1 Roda 4 -17.3
+0.7
NAC 3 Heerenveen 0 +5.0
-0.1
Feyenoord 3 Sparta 1 -1.4
+0.1
Vitesse 5 Twente 0 -1.3
+0.1
Zwolle 0 Willem II 1 -0.3
Week of 5/6100.0*Relegated100.0*Average seed
Twente 1 NAC 1 +13.0
-0.2
Roda 2 ADO 3 +13.0
-0.5
Sparta 2 Heracles 5 +0.3
Points
Chance Will Win Championship