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
Tranmere 4 Exeter City 0 +0.9
Charlton 3 Rochdale 1 -0.1
Sheff Wed 3 Swindon 1 -0.1
Oldham 1 Walsall 1 +0.1
Southampton 2 Hartlepool 0 +0.1
Rochdale 2 Carlisle 3 -0.1
Yeovil 2 Bournemouth 2 +0.0
Peterborough 2 Yeovil 2 -0.0
Bristol Rovers 2 Charlton 2 +0.0
Walsall 1 Sheff Wed 1 +0.0
Colchester 1 Brighton 1 -0.0
Week of 4/30100.0*Average seed
Leyton Orient 0 Tranmere 3 +1.7
Swindon 0 Oldham 2 -0.2
Walsall 2 Charlton 0 +0.1
Bristol Rovers 1 Sheff Wed 1 +0.1
Dag & Red 3 Carlisle 0 +0.0
Brentford 0 Southampton 3 +0.0
If winner is:HomeDrawAway
Week of 5/7100.0*Average seed
Tranmere vs Swindon+0.9-0.5-1.9
Oldham vs Milton Keynes-0.5+0.2+0.5
Carlisle vs Yeovil+0.3-0.0-0.6
Sheff Wed vs Exeter City-0.2-0.0+0.4
Colchester vs Bristol Rovers-0.1-0.1+0.2
Charlton vs Hartlepool+0.1-0.0-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
591-0-0NoNo42134347No5,393,042
570-1-0NoNo9344116No2,599,200
560-0-1NoNo100No2,007,758
Total:NoNo21221271524No10,000,000
Points
Chance Will Win Championship