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
Wrexham 3 Yeovil Town 0 +2.3
+0.6
Woking 1 Chesterfield 4 -0.6
-0.1
FC Halifax Town 0 Boreham Wood 1 +0.5
+0.1
Wealdstone 0 Bromley 1 -0.4
-0.1
Chesterfield 4 King's Lynn Town 1 -0.4
-0.1
Barnet 1 Notts County 4 -0.3
-0.1
Maidenhead United 0 Notts County 4 -0.2
-0.1
Hartlepool United 2 Maidenhead United 4 -0.2
If winner is:HomeDrawAway
Week of 5/15100.0*Promoted100.0*Average seed
Wrexham vs Notts County+3.2-0.7-3.9
+0.8-0.2-1.0
Boreham Wood vs Wrexham-2.8-0.2+3.1
-0.7-0.1+0.8
Dagenham & Redb vs FC Halifax Town+0.7+0.2-0.9
+0.1+0.1-0.2
Chesterfield vs Wealdstone-0.5+0.6+1.0
-0.1+0.1+0.2
Notts County vs Bromley+0.3+0.1-0.7
-0.0+0.1-0.1
Aldershot Town vs Eastleigh+0.2+0.1-0.3
+0.0+0.0-0.1
Eastleigh vs Barnet-0.1+0.1+0.2
-0.0+0.0+0.1
Maidenhead United vs Sutton United-0.1+0.0+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted12345678910111213141516171819202122Count
734-0-0No16.7%1326726,574,099
713-1-0No16.797714163,423,617
703-0-1No16.725836475,487,873
692-2-0No16.7444610056,289,979
682-1-1No15.9144735400131,772,091
672-0-2No12.9326482030075,237,132
1-3-0No13.7431471620021,889,855
661-2-1No10.0013463270075,307,400
651-1-2No3.60220433050083,716,282
0-4-0No4.72264524303,142,148
641-0-3No0.80527471920029,671,169
0-3-1No1.1063147141014,037,648
630-2-2No0.20114453360022,575,262
620-1-3No0.00220442860015,155,078
610-0-4NoNo42241276003,501,703
Total:No11.7%022323221510410000697,781,336
Points
Chance Will Win Championship