How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Chance wins title100.0*Average seed
NAC Breda 0 Twente 2 Yes
+0.4
NEC Nijmegen 1 Ajax 4 -10.5
-0.1
Points
Chance Will Win Championship