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 +0.2
-0.8
NAC 3 Heerenveen 0 +0.1
-0.1
Feyenoord 3 Sparta 1 No
+0.0
Zwolle 0 Willem II 1 -0.3
Groningen 4 Excelsior 0 -0.0
Week of 5/6100.0*Relegated100.0*Average seed
Twente 1 NAC 1 +0.3
Utrecht 1 VVV 0 -0.2
Willem II 2 Vitesse 2 -0.1
Excelsior 1 Ajax 2 +0.0
Points
Chance Will Win Championship