How are these numbers calculated?

Big Games

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

Week of 4/17100.0*Relegated100.0*Average seed
QPR 1 Watford 0 +3.2
-0.7
Sheff Wed 1 Sheff United 1 -1.9
+0.0
Leicester 4 Watford 1 +1.9
-0.5
Scunthorpe 3 Bristol City 0 +0.7
-0.2
Derby 1 Crystal Palace 1 -0.3
+0.1
Plymouth 0 Newcastle 2 -0.2
Scunthorpe 2 Reading 2 +0.1
QPR 0 Cardiff 1 +0.1
Swansea City 3 Barnsley 1 +0.0
Week of 4/24100.0*Relegated100.0*Average seed
Watford 3 Reading 0 No
+0.8
Cardiff 3 Sheff Wed 2 -3.8
+0.1
Doncaster 4 Scunthorpe 3 +0.1
Week of 5/2100.0*Relegated100.0*Average seed
Coventry 0 Watford 4 +2.5
Sheff Wed 2 Crystal Palace 2 +0.2
Reading 4 Preston 1 +0.1
Scunthorpe 2 Nottm Forest 2 -0.1
West Brom 1 Barnsley 1 -0.1
Derby 2 Cardiff 0 -0.1
Points
Chance Will Win Championship