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*Average seed
Groningen 4 Excelsior 0 -0.7
VVV 1 Roda 4 +0.2
Zwolle 0 Willem II 1 -0.1
Week of 5/6100.0*Average seed
Willem II 2 Vitesse 2 +0.4
Excelsior 1 Ajax 2 -0.3
PSV 0 Groningen 0 -0.1
Sparta 2 Heracles 5 -0.1
Utrecht 1 VVV 0 +0.1
Points
Chance Will Win Championship