How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/26100.0*Relegated100.0*Average seed
Leicester 1 Sheff Wed 3 +24.6
-2.0
West Brom 1 Southampton 1 +1.3
Norwich 3 QPR 0 +0.9
-0.2
Barnsley 3 Charlton 0 +0.6
-0.3
Coventry 1 Wolves 1 +0.6
+0.1
Sheff United 2 Bristol City 1 -0.1
Colchester 0 Stoke City 1 +0.1
Plymouth 3 Blackpool 0 +0.1
Week of 5/4100.0*Relegated100.0*Average seed
Southampton 3 Sheff United 2 +30.6
-0.3
Stoke City 0 Leicester 0 -14.0
-0.1
Sheff Wed 4 Norwich 1 +2.3
-0.1
Wolves 1 Plymouth 0 -0.2
Bristol City 3 Preston 0 -0.2
Scunthorpe 3 Colchester 3 -0.1
Charlton 4 Coventry 1 -0.1
+0.0
Blackpool 1 Watford 1 +0.1
Ipswich 1 Hull 0 -0.1
Crystal Palace 5 Burnley 0 -0.1
QPR 0 West Brom 2 -0.1
Points
Chance Will Win Championship