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 +1.7
+0.1
Preston 2 Ipswich 2 -1.2
+0.0
Hull 2 Crystal Palace 1 +0.5
+0.0
Coventry 1 Wolves 1 +0.2
+0.0
Sheff United 2 Bristol City 1 +0.1
-0.1
Barnsley 3 Charlton 0 +0.1
Plymouth 3 Blackpool 0 -0.1
Burnley 3 Cardiff 3 +0.1
Week of 5/4100.0*Promoted100.0*Average seed
Ipswich 1 Hull 0 +4.1
+1.0
Wolves 1 Plymouth 0 -2.7
-0.1
Blackpool 1 Watford 1 -2.5
-0.2
Crystal Palace 5 Burnley 0 -1.4
-0.1
Southampton 3 Sheff United 2 +0.3
Charlton 4 Coventry 1 +0.1
QPR 0 West Brom 2 +0.1
Sheff Wed 4 Norwich 1 +0.1
Cardiff 3 Barnsley 0 +0.1
Points
Chance Will Win Championship