How are these numbers calculated?

Big Games

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

Week of 5/1100.0*Promoted100.0*Average seed
Shrewsbury Town 2 Oxford United 3 +5.5
AFC Wimbledon 1 Portsmouth 3 -3.1
Accrington Stan 1 Charlton Athletic 1 +0.7
Northampton Town 0 Blackpool 3 -0.4
Plymouth Argyle 1 Sunderland 3 -0.1
Fleetwood Town 1 Milton Keynes D 1 +0.0
If winner is:HomeDrawAway
Charlton Athletic vs Lincoln City-0.8+0.4+0.5
Blackpool vs Doncaster Rovers-0.3-0.3+0.7
If winner is:HomeDrawAway
Week of 5/8100.0*Promoted100.0*Average seed
Portsmouth vs Accrington Stan-7.6+3.1+8.0
Oxford United vs Burton Albion+5.9-1.2No
Blackpool vs Bristol Rovers-0.3-0.3+1.3
Charlton Athletic vs Hull City-1.1+0.3+0.5

What If

Chances based on how well the Oxford United finish out the regular season.   Explain

If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
Chance Will Win Championship