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 -4.7
+0.1
Everton 1 Southampton 1 +3.5
-0.2
Leicester City 0 West Ham United 2 +2.7
-0.2
Stoke City 1 Crystal Palace 2 -1.3
+0.1
West Brom 1 Tottenham Hotspur 0 +0.2
-0.1
Brighton & Hove 1 Manchester United 0 +0.1
-0.1
Watford 2 Newcastle United 1 -0.0
Week of 5/6100.0*Championship100.0*Average seed
Swansea City 0 Southampton 1 -43.5
+0.8
Manchester City 0 Huddersfield Town 0 +1.5
-0.1
Chelsea 1 Huddersfield Town 1 +1.2
-0.1
Week of 5/13100.0*Championship100.0*Average seed
Swansea City 1 Stoke City 2 No
+0.1
Southampton 0 Manchester City 1 +4.0
-0.3
Huddersfield Town 0 Arsenal 1 +0.1
Points
Chance Will Win Championship