How are these numbers calculated?

Big Games

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

Week of 4/25100.0*Relegated100.0*Average seed
Norwich 0 Reading 2 +21.9
-0.6
Barnsley 1 Wolves 1 -3.6
+0.1
Blackpool 1 Nottm Forest 1 +1.9
-0.1
Southampton 2 Burnley 2 -1.6
+0.1
QPR 0 Plymouth 0 +1.2
Derby 1 Charlton 0 -0.5
Birmingham 1 Preston 2 -0.3
Doncaster 2 Crystal Palace 0 -0.3
Sheff United 1 Swansea City 0 -0.2
Cardiff 0 Ipswich 3 -0.2
Week of 5/3100.0*Relegated100.0*Average seed
Charlton 4 Norwich 2 Yes
-0.2
Plymouth 1 Barnsley 2 Yes
-0.2
Burnley 4 Bristol City 0 -0.3
Sheff Wed 1 Cardiff 0 -0.3
Nottm Forest 3 Southampton 1 -0.1
+0.2
Points
Chance Will Win Championship