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
Derby 3 Peterborough 1 +15.3
-1.0
Huddersfield 3 Millwall 0 +5.7
-0.2
Charlton 2 Wolverhampton 1 -5.0
+0.1
Millwall 1 Blackburn 2 +2.8
-0.1
Watford 4 Blackburn 0 -0.8
+0.1
Burnley 1 Cardiff 1 +0.4
-0.0
Sheff Wed 1 Ipswich 1 +0.2
+0.0
Nottm Forest 0 Barnsley 0 -0.1
Brighton 6 Blackpool 1 -0.1
+0.0
Week of 4/27100.0*Down to League One100.0*Average seed
Peterborough 1 Sheff Wed 0 -26.8
+0.9
Barnsley 2 Hull 0 +11.5
-0.3
Wolverhampton 1 Burnley 2 -11.0
+0.2
Bristol City 1 Huddersfield 3 +3.7
-0.2
Millwall 0 Crystal Palace 0 +1.0
+0.0
Millwall 0 Nottm Forest 1 -0.1
Blackpool 2 Derby 1 +0.1
-0.1
Week of 5/4100.0*Down to League One100.0*Average seed
Crystal Palace 3 Peterborough 2 +26.9
-0.9
Huddersfield 2 Barnsley 2 +12.0
-0.2
Sheff Wed 2 Middlesbrough 0 +2.5
-0.2
Brighton 2 Wolverhampton 0 -1.8
+0.1
Birmingham 1 Blackburn 1 -0.1
Derby 1 Millwall 0 +0.1
Points
Chance Will Win Championship