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
Darlington 1 Brentford 3 +1.2
+0.1
Shrewsbury 0 Lincoln City 0 -1.0
+0.0
Notts County 0 Dag & Red 3 -0.3
-0.2
Gillingham 0 Bury 0 -0.3
Luton 1 Rochdale 1 +0.1
Exeter City 2 Morecambe 2 +0.0
Accrington 1 Chesterfield 0 +0.1
Bradford 3 Rotherham 0 -0.1
Week of 5/2100.0*Promoted100.0*Average seed
Dag & Red 1 Shrewsbury 2 +6.0
+1.0
Chester 1 Darlington 2 No
-0.1
Chesterfield 0 Bradford 2 -0.2
Points  (Full Screen)
Chance Will Win Championship  (Full Screen)