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
West Brom 1 Southampton 1 -0.0
Norwich 3 QPR 0 -0.2
Leicester 1 Sheff Wed 3 +0.1
Barnsley 3 Charlton 0 -0.2
Coventry 1 Wolves 1 +0.1
Plymouth 3 Blackpool 0 -0.6
Preston 2 Ipswich 2 +0.1
Week of 5/4100.0*Relegated100.0*Average seed
Southampton 3 Sheff United 2 +1.2
-0.2
Stoke City 0 Leicester 0 No
+0.1
Blackpool 1 Watford 1 -0.7
-1.1
Charlton 4 Coventry 1 -0.7
+0.2
Sheff Wed 4 Norwich 1 +0.3
-0.1
Cardiff 3 Barnsley 0 +0.1
Bristol City 3 Preston 0 +0.2
Points
Chance Will Win Championship