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 -4.6
+0.1
Blackpool 1 Nottm Forest 1 -3.3
-0.1
Southampton 2 Burnley 2 -2.9
+0.1
Barnsley 1 Wolves 1 +0.8
+0.0
QPR 0 Plymouth 0 +0.3
Derby 1 Charlton 0 +0.1
-0.1
Doncaster 2 Crystal Palace 0 -0.0
Week of 5/3100.0*Relegated100.0*Average seed
Nottm Forest 3 Southampton 1 +0.4
Swansea City 0 Blackpool 1 -0.1
Plymouth 1 Barnsley 2 -0.0
Points
Chance Will Win Championship