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
Coventry 0 Millwall 1 -11.1
+0.1
Birmingham 2 Bristol City 2 -4.6
+0.1
Bristol City 1 West Ham 1 -2.8
+0.0
Portsmouth 2 Crystal Palace 1 +2.2
Doncaster 3 Portsmouth 4 +1.4
Burnley 1 Coventry 1 +0.4
Nottm Forest 0 Blackpool 0 +0.2
Hull 3 Barnsley 1 -0.2
+0.1
Barnsley 0 Cardiff 1 -0.1
+0.1
Reading 1 Nottm Forest 0 +0.0
Week of 4/21100.0*Relegated100.0*Average seed
Bristol City 2 Barnsley 0 No
+0.6
Portsmouth 1 Derby 2 -6.0
+0.1
Coventry 0 Doncaster 2 -2.2
Hull 2 Nottm Forest 1 +0.1
Week of 4/28100.0*Relegated100.0*Average seed
Nottm Forest 2 Portsmouth 0 -0.3
Barnsley 0 Brighton 0 -0.1
Derby 1 Peterborough 1 +0.1
Points
Chance Will Win Championship