How are these numbers calculated?

Big Games

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

Week of 5/4100.0*Championship100.0*Average seed
West Brom 1 Tottenham Hotspur 0 -0.4
+0.5
Stoke City 1 Crystal Palace 2 +0.1
Week of 5/6100.0*Championship100.0*Average seed
Swansea City 0 Southampton 1 Yes
Week of 5/13100.0*Championship100.0*Average seed
Swansea City 1 Stoke City 2 -0.4
Crystal Palace 2 West Brom 0 -0.3
Points
Chance Will Win Championship