How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/23100.0*Average seed
Charlton 3 Rochdale 1 +1.0
Bristol Rovers 2 Charlton 2 -0.2
Sheff Wed 3 Swindon 1 -0.2
Tranmere 4 Exeter City 0 -0.2
Rochdale 2 Carlisle 3 -0.1
Southampton 2 Hartlepool 0 +0.1
Carlisle 0 Leyton Orient 1 +0.1
Walsall 1 Sheff Wed 1 +0.1
Oldham 1 Walsall 1 +0.0
Peterborough 2 Yeovil 2 +0.0
Yeovil 2 Bournemouth 2 +0.0
Week of 4/30100.0*Average seed
Walsall 2 Charlton 0 -1.1
Leyton Orient 0 Tranmere 3 -0.2
Yeovil 4 Colchester 2 +0.2
Dag & Red 3 Carlisle 0 +0.2
Brentford 0 Southampton 3 +0.2
Bristol Rovers 1 Sheff Wed 1 +0.1
Swindon 0 Oldham 2 -0.1
Hartlepool 2 Bournemouth 2 +0.0
If winner is:HomeDrawAway
Week of 5/7100.0*Average seed
Charlton vs Hartlepool+2.0+0.5-2.4
Colchester vs Bristol Rovers-0.3+0.0+0.3
Sheff Wed vs Exeter City-0.3+0.0+0.3
Tranmere vs Swindon-0.3+0.2+0.2
Oldham vs Milton Keynes-0.3+0.2+0.2
Carlisle vs Yeovil-0.2+0.2+0.1
Huddersfield vs Brentford+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
611-0-0NoNo1542349No3,699,841
590-1-0NoNo73037197No2,598,508
580-0-1NoNo93237183No3,701,651
Total:NoNo51721138141471No10,000,000
Points
Chance Will Win Championship