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 +23.4
-0.4
Rochdale 1 Doncaster Rovers 2 -18.7
+0.2
Hull City 3 Wigan Athletic 1 -1.6
+0.1
Swindon Town 1 Ipswich Town 2 -0.7
+0.1
AFC Wimbledon 1 Portsmouth 3 -0.2
If winner is:HomeDrawAway
Week of 5/8100.0*Relegated100.0*Average seed
Milton Keynes D vs Rochdale-29.9-2.7+31.5
+0.3+0.0-0.3
Sunderland vs Northampton Town+31.5-2.7-30.0
-0.3+0.0+0.3

What If

Chances based on how well the Northampton Town finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
471-0-0NoNo663434.3%7,422,625
450-1-0NoNo386261.54,433,268
440-0-1NoNo49695.77,430,011
Total:NoNo366464.2%19,285,904
Points
Chance Will Win Championship