How are these numbers calculated?

Big Games

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

Week of 5/8100.0*Promoted100.0*Average seed
Maidenhead United 0 Notts County 4 +2.8
+0.8
Barnet 1 Notts County 4 +2.7
+0.8
Wealdstone 0 Bromley 1 -0.6
-0.1
Wrexham 3 Yeovil Town 0 -0.6
-0.1
Chesterfield 4 King's Lynn Town 1 -0.6
-0.1
Woking 1 Chesterfield 4 -0.5
-0.1
FC Halifax Town 0 Boreham Wood 1 +0.3
+0.1
Hartlepool United 2 Maidenhead United 4 -0.1
-0.1
Torquay United 0 Bromley 0 +0.1
+0.0
Wealdstone 0 Dagenham & Redb 5 -0.1
-0.1
Stockport County 1 Dagenham & Redb 1 +0.1
+0.0
If winner is:HomeDrawAway
Week of 5/15100.0*Promoted100.0*Average seed
Notts County vs Bromley+2.7+0.1-2.8
+0.8-0.1-0.8
Wrexham vs Notts County-2.6-0.1+2.7
-0.8-0.1+0.8
Chesterfield vs Wealdstone-0.6+0.1+0.5
-0.2+0.0+0.1
Dagenham & Redb vs FC Halifax Town+0.5+0.1-0.6
+0.1+0.0-0.2
Boreham Wood vs Wrexham+0.4+0.1-0.5
+0.1+0.0-0.1
Aldershot Town vs Eastleigh+0.1+0.1-0.1
Eastleigh vs Barnet-0.1+0.1+0.1
Aldershot Town vs Hartlepool United+0.1+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted12345678910111213141516171819202122Count
754-0-0No16.7%2655194,491,470
733-1-0No16.76435112,471,202
723-0-1No16.712573117,840,700
712-2-0No16.715796013,080,811
702-1-1No16.747817137,395,132
692-0-2No16.6523980026,751,422
1-3-0No16.76928306,093,256
681-2-1No16.232452030026,140,818
671-1-2No13.4832411720037,388,426
0-4-0No15.82146285001,063,741
661-0-3No7.1193341151017,825,123
0-3-1No10.031838319106,090,152
650-2-2No2.30113423860013,080,499
640-1-3No0.20123561810012,468,781
630-0-4No0.00547398004,485,863
Total:No13.2%173820141182000236,667,396
Points
Chance Will Win Championship