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*Promoted100.0*Average seed
Notts County 0 Dag & Red 3 -2.0
-0.1
Shrewsbury 0 Lincoln City 0 +0.7
+0.0
Darlington 1 Brentford 3 +0.5
+0.3
Accrington 1 Chesterfield 0 +0.1
Exeter City 2 Morecambe 2 -0.1
-0.0
Luton 1 Rochdale 1 -0.1
Gillingham 0 Bury 0 +0.2
Week of 5/2100.0*Promoted100.0*Average seed
Rochdale 0 Gillingham 1 -5.6
-1.2
Dag & Red 1 Shrewsbury 2 +3.4
+0.2
Chester 1 Darlington 2 -2.6
-0.2
Points
Chance Will Win Championship