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*Promoted100.0*Average seed
Watford 0 Scunthorpe 1 +0.8
+0.1
Sheff United 2 Bristol City 1 +0.3
+0.8
Hull 2 Crystal Palace 1 +0.2
Coventry 1 Wolves 1 -0.1
-0.1
Preston 2 Ipswich 2 -0.1
Plymouth 3 Blackpool 0 -0.2
Barnsley 3 Charlton 0 +0.2
Burnley 3 Cardiff 3 +0.1
Week of 5/4100.0*Promoted100.0*Average seed
Southampton 3 Sheff United 2 No
-0.8
Wolves 1 Plymouth 0 -1.4
-0.1
Blackpool 1 Watford 1 -1.3
-0.2
Ipswich 1 Hull 0 -1.1
-0.2
Crystal Palace 5 Burnley 0 -0.7
-0.1
Points
Chance Will Win Championship