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
AFC Wimbledon 1 Portsmouth 3 -2.4
-0.2
Shrewsbury Town 2 Oxford United 3 -2.0
-0.2
Accrington Stan 1 Charlton Athletic 1 -1.8
-0.1
Northampton Town 0 Blackpool 3 -0.6
-0.1
Plymouth Argyle 1 Sunderland 3 -0.2
-0.1
Swindon Town 1 Ipswich Town 2 -0.1
-0.1
Fleetwood Town 1 Milton Keynes D 1 +0.0
Rochdale 1 Doncaster Rovers 2 -0.1
Burton Albion 1 Gillingham 1 +0.0
If winner is:HomeDrawAway
Charlton Athletic vs Lincoln City+3.5-1.1No
+0.7-0.0-0.6
Blackpool vs Doncaster Rovers-0.2-0.2+0.4
+0.1+0.0-0.1
Shrewsbury Town vs Ipswich Town+0.1+0.0-0.1
If winner is:HomeDrawAway
Week of 5/8100.0*Promoted100.0*Average seed
Charlton Athletic vs Hull City+3.5-1.1No
+0.7-0.0-0.6
Portsmouth vs Accrington Stan-2.4+0.2+2.3
-0.2-0.0+0.2
Oxford United vs Burton Albion-1.5+0.4+1.3
-0.2-0.0+0.2
Blackpool vs Bristol Rovers-0.2-0.2+0.4
Ipswich Town vs Fleetwood Town-0.1+0.0+0.1
Doncaster Rovers vs Peterborough Un-0.1+0.0+0.1
Milton Keynes D vs Rochdale-0.1+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
742-0-0No13.9%748387No2,861,680
721-1-0No4.5184933No3,410,455
711-0-1NoNo18775No5,719,999
700-2-0NoNo78211No1,020,428
690-1-1NoNo68293No3,411,688
680-0-2NoNo2544265No2,861,654
Total:No2.9%11020491441No19,285,904
Points
Chance Will Win Championship