How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Relegated100.0*Average seed
Darlington 2 Dag & Red 3 +1.0
-0.2
Notts County 1 Wycombe 0 +0.1
-0.3
Macclesfield 1 Chesterfield 0 No
+1.0
Mansfield 0 Rotherham 1 No
+0.1
Wrexham 1 Accrington 3 -0.2
Chester 0 Stockport 0 +0.1
Week of 5/3100.0*Relegated100.0*Average seed
Chester 0 Macclesfield 0 +0.6
Rochdale 1 Shrewsbury 1 -0.1
Accrington 0 Bury 2 +0.1
Chesterfield 1 Notts County 1 +0.1
Points
Chance Will Win Championship