How are these numbers calculated?

Big Games

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

Week of 3/2100.0*Chance wins title100.0*Promoted100.0*Average seed
Welling United 3 Maidenhead 2 +10.0
+7.6
+0.2
Salisbury City 1 Weston-S-Mare 1 +2.0
+1.5
+0.0
Staines Town 1 Chelmsford City 3 -1.2
-0.9
Dover Athletic 2 Bath City 0 -0.7
-0.6
Boreham Wood 4 Tonbridge 2 -0.2
-0.2
If winner is:HomeDrawAway
Salisbury City vs Basingstoke-7.4+1.9+6.0
-5.5+1.4+4.5
-0.1+0.0+0.1
Weston-S-Mare vs Chelmsford City+1.2+0.6-1.6
+0.9+0.4-1.2
Maidenhead vs Dover Athletic+0.7+0.4-1.0
+0.5+0.3-0.8
If winner is:HomeDrawAway
Week of 3/9100.0*Chance wins title100.0*Promoted100.0*Average seed
Welling United vs Basingstoke+9.7-1.7-8.4
+7.3-1.3-6.4
+0.2-0.0-0.1
Welling United vs Tonbridge+9.6-1.7-8.4
+7.2-1.3-6.3
+0.2-0.0-0.1
Weston-S-Mare vs Salisbury City+6.0+1.9-7.3
+4.5+1.4-5.5
+0.1+0.0-0.1
Chelmsford City vs AFC Hornchurch-1.6+0.5+1.2
-1.2+0.4+0.9
Chelmsford City vs Tonbridge-1.6+0.6+1.2
-1.2+0.4+0.9
Dover Athletic vs Havant and W-1.0+0.3+0.8
-0.7+0.2+0.6
Dorchester Town vs Boreham Wood+0.2+0.1-0.3
+0.1+0.1-0.2
Eastleigh vs Boreham Wood+0.1+0.1-0.2
+0.1+0.1-0.2

What If

Chances based on how well the Welling United finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted12345678910111213141516171819202122RelegatedCount
94-100YesYes100No27,337*
939-2-1100.0%100.0%1000No28,752
929-1-2100.0100.01000No51,791*
918-3-1100.0100.01000No80,228*
908-2-2100.0100.01000No142,456*
898-1-399.899.91000No124,086
7-4-199.999.91000No85,965
887-3-299.799.81000No298,198*
877-2-399.499.59910No348,043
6-5-199.699.71000No83,409
866-4-299.099.39910No298,270
7-1-498.699.09910No255,808*
856-3-397.898.39820No568,619
7-0-597.798.29820No129,444*
846-2-495.596.69550No611,042
5-5-296.597.49730No253,304*
835-4-393.495.19370No625,999*
6-1-591.893.892800No348,187
825-3-488.291.2881200No853,058
4-6-290.492.89090No145,241
6-0-685.989.486140No84,517*
815-2-580.985.7811900No731,917
4-5-383.887.884160No427,659*
804-4-474.781.1752410No745,583
5-1-672.279.2722710No408,332*
794-3-563.272.46334200No853,201
3-6-367.075.3673120No194,941
5-0-759.769.8603730No73,464*
784-2-650.362.85044500No610,776
3-5-454.565.95441400No431,493*
773-4-540.855.64150900No594,079
4-1-738.654.039511000No308,264*
763-3-627.945.9285516100No568,595
2-6-430.047.530541510No192,697*
753-2-717.037.8175426300No348,911
2-5-519.939.920542330No259,626*
742-4-610.833.1114934600No298,255
3-1-89.832.4104835700No154,193*
732-3-75.028.8539421310No243,230
1-6-55.629.2640411210No78,910*
722-2-81.926.42274621300No130,486
1-5-62.626.93294620300No85,883*
711-4-70.725.41174331700No132,997*
701-3-80.224.70936391520No76,837*
691-2-90.023.704254125500No40,972*
680-4-8No21.8113373511100No18,778*
670-3-9No18.00626402350No7,935*
660-2-10No13.4021437321210No2,883
650-1-11No8.31726402161No714
640-0-12No3.4011233341640No1,603
Total:66.8%75.1%672472000000No13,466,968

* Row combines multiple less frequent records.

Points
Chance Will Win Championship