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 +17.8
-1.0
Leicester City 0 West Ham United 2 +2.9
-0.2
Stoke City 1 Crystal Palace 2 -1.7
Everton 1 Southampton 1 -0.4
+0.0
Brighton & Hove 1 Manchester United 0 +0.2
-0.1
Watford 2 Newcastle United 1 +0.1
-0.1
Week of 5/6100.0*Championship100.0*Average seed
Swansea City 0 Southampton 1 +39.3
-0.9
Chelsea 1 Huddersfield Town 1 +1.8
-0.0
Manchester City 0 Huddersfield Town 0 +0.4
+0.0
Week of 5/13100.0*Championship100.0*Average seed
Southampton 0 Manchester City 1 -14.0
+0.1
Swansea City 1 Stoke City 2 Yes
-0.6
Crystal Palace 2 West Brom 0 +0.2
Points
Chance Will Win Championship