How are these numbers calculated?

Big Games

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

Week of 7/14100.0*Championship100.0*Average seed
West Ham United 3 Watford 1 -10.2
+0.6
Manchester City 2 Bournemouth 1 -1.5
+0.0
Everton 1 Aston Villa 1 -1.0
+0.0
Southampton 1 Brighton & Hove 1 +0.1
+0.0
Week of 7/22100.0*Championship100.0*Average seed
Aston Villa 1 Arsenal 0 +1.2
-0.1
Manchester United 1 West Ham United 1 No
+0.0
Bournemouth 0 Southampton 2 -0.1
Watford 0 Manchester City 4 -0.1
+0.0
Brighton & Hove 0 Newcastle United 0 +0.0
Week of 7/26100.0*Championship100.0*Average seed
Burnley 1 Brighton & Hove 2 -0.4
West Ham United 1 Aston Villa 1 +0.0
Points
Chance Will Win Championship