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*Relegated100.0*Average seed
Northampton Town 0 Blackpool 3 No
Rochdale 1 Doncaster Rovers 2 No
Hull City 3 Wigan Athletic 1 +0.4
AFC Wimbledon 1 Portsmouth 3 +0.2
If winner is:HomeDrawAway
Week of 5/8100.0*Relegated100.0*Average seed
Wigan Athletic vs Swindon Town+0.3-0.3-0.3
Lincoln City vs AFC Wimbledon+0.2-0.2-0.3

What If

Chances based on how well the Wigan Athletic finish out the regular season.   Explain

If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount

* Row combines multiple less frequent records.

Chance Will Win Championship