How are these numbers calculated?

Big Games

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

Week of 3/7100.0*Chance in playoffs100.0*Premier Division South100.0*Average seed
Slimbridge 1 Winchester City 2 +14.1
+0.4
+0.7
Melksham Town 2 Bideford 3 +2.7
+0.1
Cinderford Town 4 Totton 2 -1.2
-0.1
Cirencester Town 4 Larkhall Athletic 0 -0.7
Barnstaple Town 0 Sholing 0 +0.6
+0.0
Paulton Rovers 2 Frome Town 2 +0.5
+0.0
Evesham United 0 Bristol Manor F 0 +0.3
Basingstoke Town 1 Willand Rovers 1 +0.1
Mangotsfield 0 Thatcham Town 4 -0.1
If winner is:HomeDrawAway
Mangotsfield vs Cirencester Town+2.4+0.9-2.0
+0.1+0.0-0.1
Cinderford Town vs Sholing-1.2+1.2+1.2
-0.0+0.1+0.0
Basingstoke Town vs Thatcham Town+0.4+0.1-0.1
If winner is:HomeDrawAway
Week of 3/14100.0*Chance in playoffs100.0*Premier Division South100.0*Average seed
Winchester City vs Cirencester Town+11.5-4.8-16.6
+0.3-0.2-0.3
+0.6-0.2-0.8
Winchester City vs Barnstaple Town+6.0-9.4-18.1
+0.2-0.3-0.4
+0.3-0.5-0.9
Paulton Rovers vs Slimbridge-1.7+1.3+2.6
-0.1+0.1+0.1
Willand Rovers vs Cirencester Town+2.0+0.7-2.2
+0.1+0.0-0.1
Larkhall Athletic vs Barnstaple Town-1.1+1.6+3.0
-0.1+0.1+0.1
Bideford vs Cinderford Town+1.6+0.4-2.4
+0.1+0.0-0.1
Totton vs Melksham Town+1.7+0.6-2.1
+0.1+0.0-0.1
Sholing vs Paulton Rovers+1.1+0.4-2.4
+0.0+0.0-0.1
Moneyfields vs Sholing+0.6+0.3-0.7
Thatcham Town vs Evesham United+0.1*+0.0-0.6
-0.1+0.2+0.4
Frome Town vs Moneyfields-0.1+0.1+0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the Winchester City finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inPremierChance will finish regular season at seedLevel 9
TPW-D-LplayoffsDivision South1234567891011121314151617181920PlayoffCount
8111-0-0In86.1%86140No3,685
7910-1-0In62.963352No8,989
7810-0-1In45.545487No9,981
779-2-0In35.13553120No33,504
769-1-1In22.32256220No72,224
758-3-0In13.41353330No111,545*
748-2-1In7.07464700No233,313
738-1-2In2.93346120No247,479
7-4-0100.0%3.843857100No104,489
727-3-1100.01.312570400No530,045*
717-2-2100.00.401575900No695,310
6-5-0100.00.611875600No104,941
706-4-1100.00.1097514100No546,456
7-1-3100.00.1087317100No474,274
696-3-299.80.00467253000No1,128,403
7-0-499.80.0046626400No193,860*
686-2-399.00.00253369100No1,144,181
5-5-199.40.00258336100No457,959
675-4-297.60.001414115200No1,169,443
6-1-496.50.000364218300No607,067*
665-3-391.80.0002442267100No1,561,691
4-6-194.3No0294322510No264,890
6-0-589.1No0204029910No112,026
655-2-479.6No012333517400No1,152,917
4-5-284.2No015373313200No814,928*
644-4-366.4No06243625810No1,322,925
5-1-562.7No05223627910No549,437*
634-3-443.7No0212303418400No1,283,676
3-6-248.3No214323316300No436,706*
624-2-522.9No0418343011100No730,500
3-5-328.1No16223527910No734,013*
613-4-411.8No0210283720300No846,724
4-1-69.1No018253824400No225,824
2-7-215.2No021331351620No105,604*
603-3-53.6No0031636341010No636,646
2-6-34.7No004193731810No268,346*
592-5-41.2No001829411820No350,873*
3-2-60.8No0016264321300No290,145
582-4-50.2No002164132810No306,958
3-1-70.2No002154133810No117,900*
572-3-60.0No017324117300No266,089*
561-5-5OutNo02194129810No151,264*
551-4-6OutNo009323817300No79,687*
541-3-7OutNo003213928810No38,259*
531-2-8OutNo011031371830No16,050*
520-4-7OutNo0419383080No5,950*
510-3-8OutNo183240181No1,910*
500-2-9OutNo051636376No443
490-1-10OutNo1336457No76
480-0-11OutNo0219502530No2,555
Total:66.9%0.5%042620161310731000000No20,552,160

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs