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
Bournemouth 1 Swansea City 0 -6.1
+0.1
Everton 1 Southampton 1 -3.1
+0.1
Stoke City 1 Crystal Palace 2 -2.8
+0.0
Leicester City 0 West Ham United 2 +2.4
-0.2
Brighton & Hove 1 Manchester United 0 +0.1
-0.1
Watford 2 Newcastle United 1 -0.1
Week of 5/6100.0*Championship100.0*Average seed
Swansea City 0 Southampton 1 +6.2
-0.1
Chelsea 1 Huddersfield Town 1 -5.9
+0.2
Manchester City 0 Huddersfield Town 0 -5.2
+0.2
West Ham United 0 Manchester United 0 -0.0
Week of 5/13100.0*Championship100.0*Average seed
Southampton 0 Manchester City 1 +0.2
Huddersfield Town 0 Arsenal 1 -0.2
West Ham United 3 Everton 1 -0.1
Points
Chance Will Win Championship