How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Relegated100.0*Average seed
Leeds United 4 Peterborough 1 +0.2
-0.6
Peterborough 1 Southampton 3 +0.2
-0.5
Coventry 0 Millwall 1 No
-0.2
Burnley 1 Coventry 1 -0.1
Bristol City 1 West Ham 1 -0.1
+0.0
Hull 3 Barnsley 1 +0.1
Birmingham 2 Bristol City 2 -0.0
+0.0
Reading 1 Nottm Forest 0 +0.2
Barnsley 0 Cardiff 1 +0.1
Millwall 2 Leicester 1 -0.2
Nottm Forest 0 Blackpool 0 +0.0
Week of 4/21100.0*Relegated100.0*Average seed
Hull 2 Nottm Forest 1 +0.2
Peterborough 2 Watford 2 -0.2
Bristol City 2 Barnsley 0 +0.1
Week of 4/28100.0*Relegated100.0*Average seed
Burnley 1 Bristol City 1 +0.2
Nottm Forest 2 Portsmouth 0 -0.2
Barnsley 0 Brighton 0 +0.1
Derby 1 Peterborough 1 +0.1
Points
Chance Will Win Championship