How are these numbers calculated?

Big Games

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

Week of 4/25100.0*League One100.0*Average seed
Brighton 0 Watford 2 +0.1
-0.5
Millwall 3 Derby 3 No
Fulham 4 Middlesbrough 3 -0.1
Reading 0 Brentford 2 +0.1
If winner is:HomeDrawAway
Rotherham vs Reading-0.2+0.2+0.2
If winner is:HomeDrawAway
Week of 5/2100.0*League One100.0*Average seed
Middlesbrough vs Brighton-0.3+0.1+0.9
Leeds vs Rotherham+0.2+0.0-0.4
Derby vs Reading+0.1-0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChancePremierChance will finish season at seedLeague
TPW-D-Lwins titleLeague123456789101112131415161718192021222324OneCount
491-0-0NoNo54451No4,445,378,633
470-1-0NoNo6832No8,590,420,740
460-0-1NoNo3367No18,173,583,827
Total:NoNo84548No31,209,383,200
Points
Chance Will Win Championship