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 -3.2
-0.0
Everton 1 Southampton 1 -1.3
+0.1
Stoke City 1 Crystal Palace 2 -1.1
-0.1
Leicester City 0 West Ham United 2 +0.9
-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
Chelsea 1 Huddersfield Town 1 -3.0
-0.2
Manchester City 0 Huddersfield Town 0 -0.8
-0.3
Swansea City 0 Southampton 1 -0.1
Manchester City 3 Brighton & Hove 1 +0.1
Week of 5/13100.0*Championship100.0*Average seed
Huddersfield Town 0 Arsenal 1 -0.5
Southampton 0 Manchester City 1 +0.3
West Ham United 3 Everton 1 -0.2
Liverpool 4 Brighton & Hove 0 +0.1
Points
Chance Will Win Championship