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
Zwolle 0 Willem II 1 -0.3
Feyenoord 3 Sparta 1 No
Groningen 4 Excelsior 0 No
+0.7
VVV 1 Roda 4 +0.2
Heracles 2 Utrecht 2 -0.1
Week of 5/6100.0*Relegated100.0*Average seed
PSV 0 Groningen 0 +0.5
Willem II 2 Vitesse 2 +0.2
Sparta 2 Heracles 5 -0.1
Excelsior 1 Ajax 2 +0.1
Points
Chance Will Win Championship