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
Northampton Town 0 Blackpool 3 +1.0
+0.4
Shrewsbury Town 2 Oxford United 3 -0.5
-0.1
AFC Wimbledon 1 Portsmouth 3 -0.5
-0.1
Accrington Stan 1 Charlton Athletic 1 +0.1
+0.0
Plymouth Argyle 1 Sunderland 3 -0.2
If winner is:HomeDrawAway
Blackpool vs Doncaster Rovers+0.4+0.4-0.8
+0.6-0.2-0.6
Charlton Athletic vs Lincoln City-0.1+0.1+0.1
+0.2+0.0-0.2
If winner is:HomeDrawAway
Week of 5/8100.0*Promoted100.0*Average seed
Blackpool vs Bristol Rovers+0.4+0.4-1.6
+0.4-0.4-0.8
Portsmouth vs Accrington Stan-0.4+0.3+0.3
-0.1+0.1+0.1
Oxford United vs Burton Albion-0.4+0.3+0.3
Charlton Athletic vs Hull City-0.1+0.1+0.1
Sunderland vs Northampton Town-0.2+0.1+0.3
Lincoln City vs AFC Wimbledon-0.2+0.1+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
802-0-0No25.0%6931No14,133,380
781-1-0No25.0114742No12,804,510
771-0-1No25.043264No14,609,989
760-2-0No25.001188No2,853,761
750-1-1No25.07525No6,316,766
740-0-2No18.82748232No3,280,154
Total:No24.6%222942610No53,998,560
Points
Chance Will Win Championship