How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Down to League One100.0*Average seed
Huddersfield 3 Millwall 0 +1.3
Charlton 2 Wolverhampton 1 -1.0
+0.0
Sheff Wed 1 Ipswich 1 -0.8
-0.8
Derby 3 Peterborough 1 -0.6
-0.1
Millwall 1 Blackburn 2 +0.4
-0.1
Watford 4 Blackburn 0 -0.2
+0.1
Burnley 1 Cardiff 1 +0.1
+0.0
Brighton 6 Blackpool 1 +0.1
Bolton 2 Middlesbrough 1 +0.1
Week of 4/27100.0*Down to League One100.0*Average seed
Peterborough 1 Sheff Wed 0 +2.0
-1.6
Bristol City 1 Huddersfield 3 +1.3
-0.3
Wolverhampton 1 Burnley 2 -1.2
-0.2
Barnsley 2 Hull 0 +1.1
-0.1
Millwall 0 Crystal Palace 0 +0.6
Millwall 0 Nottm Forest 1 -0.1
+0.2
Blackpool 2 Derby 1 +0.1
-0.2
Blackburn 1 Crystal Palace 1 +0.1
Ipswich 3 Birmingham 1 -0.2
Leeds 1 Brighton 2 +0.2
Middlesbrough 2 Charlton 2 -0.0
Week of 5/4100.0*Down to League One100.0*Average seed
Crystal Palace 3 Peterborough 2 No
+0.2
Sheff Wed 2 Middlesbrough 0 No
+1.8
Huddersfield 2 Barnsley 2 -1.9
+0.3
Derby 1 Millwall 0 -1.0
+0.2
Watford 1 Leeds 2 -0.2
Birmingham 1 Blackburn 1 -0.1
Bolton 2 Blackpool 2 -0.1
Burnley 2 Ipswich 0 -0.0
Points
Chance Will Win Championship