How are these numbers calculated?

Big Games

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

Week of 4/24100.0*Relegated100.0*Average seed
Accrington 1 Barnet 0 +4.7
-0.4
Darlington 0 Grimsby 2 +1.6
Barnet 0 Rotherham 1 +1.2
-0.5
Lincoln City 1 Bury 0 -0.2
Cheltenham 1 Aldershot 2 +0.2
Torquay 1 Macclesfield 0 -0.1
Week of 5/8100.0*Relegated100.0*Average seed
Barnet 1 Rochdale 0 No
+0.5
Burton 3 Grimsby 0 No
+0.2
Cheltenham 1 Accrington 1 -0.1
Points
Chance Will Win Championship