How are these numbers calculated?

Big Games

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

Week of 5/5100.0*Chance wins title100.0*Average seed
West Ham 1 Tottenham Hotspur 0 +9.4
+0.1
Week of 5/10100.0*Chance wins title100.0*Average seed
West Brom 0 Chelsea 1 Yes
Week of 5/15None
Points
Chance Will Win Championship