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 +14.2
-0.9
Leicester City 0 West Ham United 2 +1.9
-0.2
Stoke City 1 Crystal Palace 2 -1.3
+0.0
Everton 1 Southampton 1 +0.7
West Brom 1 Tottenham Hotspur 0 +0.2
Brighton & Hove 1 Manchester United 0 +0.1
-0.2
Watford 2 Newcastle United 1 -0.1
Week of 5/6100.0*Championship100.0*Average seed
Swansea City 0 Southampton 1 +36.2
-0.9
Chelsea 1 Huddersfield Town 1 +4.7
-0.1
Manchester City 0 Huddersfield Town 0 +3.8
-0.1
Week of 5/13100.0*Championship100.0*Average seed
Swansea City 1 Stoke City 2 Yes
-0.4
Southampton 0 Manchester City 1 -4.0
+0.0
Crystal Palace 2 West Brom 0 +0.2
Points
Chance Will Win Championship