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
FC Halifax Town 0 Boreham Wood 1 -1.9
-0.6
Chesterfield 4 King's Lynn Town 1 -0.9
-0.2
Wealdstone 0 Bromley 1 -0.7
-0.2
Woking 1 Chesterfield 4 -0.5
-0.1
Wrexham 3 Yeovil Town 0 -0.4
-0.1
Barnet 1 Notts County 4 -0.4
-0.1
Maidenhead United 0 Notts County 4 -0.4
-0.1
Hartlepool United 2 Maidenhead United 4 -0.1
Wealdstone 0 Dagenham & Redb 5 -0.1
Torquay United 0 Bromley 0 +0.1
+0.0
Stockport County 1 Dagenham & Redb 1 +0.1
+0.0
If winner is:HomeDrawAway
Week of 5/15100.0*Promoted100.0*Average seed
Dagenham & Redb vs FC Halifax Town-3.5-0.5+3.8
-0.9-0.1+0.9
Chesterfield vs Wealdstone-1.0+0.1+0.9
-0.2+0.0+0.1
Boreham Wood vs Wrexham+0.8+0.1-0.8
+0.2+0.0-0.2
Notts County vs Bromley+0.3+0.2-0.5
+0.0+0.1-0.1
Wrexham vs Notts County-0.4+0.1+0.3
Eastleigh vs Barnet-0.2+0.1+0.2
-0.1+0.0+0.1
Aldershot Town vs Eastleigh+0.2+0.1-0.2
+0.1+0.0-0.1
Maidenhead United vs Sutton United-0.1+0.0+0.0
Yeovil Town vs Maidenhead United+0.0+0.0-0.1

What If

Chances based on how well the FC Halifax Town finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted12345678910111213141516171819202122Count
713-0-0No16.7%126720012,062,249
692-1-0No16.6385390025,239,776
682-0-1No15.513493170036,094,676
671-2-0No14.353941131017,642,970
661-1-1No8.90143936101050,462,411
651-0-2No2.60114413670036,112,521
0-3-0No4.604244326304,112,275
640-2-1No0.9053049151017,646,922
630-1-2No0.10084038121025,233,331
620-0-3No0.001133836110012,060,265
Total:No8.5%1102020201783100236,667,396
Points
Chance Will Win Championship