How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Relegated100.0*Average seed
NEC 2 AZ 1 +0.1
Zwolle 2 Heerenveen 1 -0.4
Roda 1 Willem II 0 +0.1
Excelsior 3 Feyenoord 0 No
+1.0
Heracles 4 ADO 0 +0.0
Week of 5/14100.0*Relegated100.0*Average seed
ADO 4 Excelsior 1 -1.0
Twente 3 Groningen 5 -0.2
Willem II 1 Ajax 3 +0.1
PSV 4 Zwolle 1 +0.0
Points
Chance Will Win Championship