How are these numbers calculated?

Big Games

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

Week of 4/21100.0*Relegated100.0*Average seed
Chesterfield 2 Rochdale 1 Yes
-0.4
Exeter City 4 Walsall 2 -0.1
-0.2
Leyton Orient 2 Yeovil 2 -0.1
Charlton 2 Wycombe 1 -0.1
Week of 4/28100.0*Relegated100.0*Average seed
Rochdale 1 MK Dons 2 -0.1
Carlisle 4 Exeter City 1 +0.0
Week of 5/5100.0*Relegated100.0*Average seed
Exeter City 2 Sheff United 2 -0.1
Leyton Orient 2 Rochdale 1 -0.1
Points
Chance Will Win Championship