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
Rochdale 1 Doncaster Rovers 2 +19.0
-0.3
Northampton Town 0 Blackpool 3 -15.9
+0.2
Swindon Town 1 Ipswich Town 2 -1.5
+0.0
Hull City 3 Wigan Athletic 1 -0.2
+0.0
Bristol Rovers 0 Crewe Alexandra 1 -0.1
If winner is:HomeDrawAway
Week of 5/8100.0*Relegated100.0*Average seed
Sunderland vs Northampton Town-25.6+19.1+45.2
+0.3-0.2-0.5
Milton Keynes D vs Rochdale+19.6-9.9-29.1
-0.2+0.1+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
471-0-0NoNo9732.6%14,203,599
450-1-0NoNo782221.712,411,919
440-0-1NoNo495151.227,383,042
Total:NoNo683231.6%53,998,560
Points
Chance Will Win Championship