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
Evesham United 0 Bristol Manor F 0 -1.6
-0.2
Melksham Town 2 Bideford 3 +0.7
Slimbridge 1 Winchester City 2 -0.7
Cinderford Town 4 Totton 2 -0.6
-0.1
Cirencester Town 4 Larkhall Athletic 0 -0.1
-0.1
Paulton Rovers 2 Frome Town 2 +0.1
Barnstaple Town 0 Sholing 0 +0.1
+0.0
Mangotsfield 0 Thatcham Town 4 -0.1
Basingstoke Town 1 Willand Rovers 1 +0.0
If winner is:HomeDrawAway
Mangotsfield vs Cirencester Town+0.5+0.1-0.6
+0.1+0.0-0.1
Cinderford Town vs Sholing-0.3+0.2+0.2
If winner is:HomeDrawAway
Week of 3/14100.0*Chance in playoffs100.0*Premier Division South100.0*Average seed
Thatcham Town vs Evesham United-3.1-1.4+4.3
No-0.0+0.0
-0.7-0.2+0.9
Totton vs Melksham Town+0.5+0.1-0.6
Winchester City vs Barnstaple Town-0.6+0.1+0.5
Larkhall Athletic vs Barnstaple Town-0.5+0.1+0.5
Paulton Rovers vs Slimbridge-0.6+0.2+0.4
Bideford vs Cinderford Town+0.4+0.1-0.5
Willand Rovers vs Cirencester Town+0.4+0.2-0.5
Sholing vs Paulton Rovers+0.2+0.2-0.4
Moneyfields vs Sholing+0.2+0.1-0.3
+0.1+0.0-0.1
Winchester City vs Cirencester Town-0.2+0.3-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inPremierChance will finish regular season at seedLevel 9
TPW-D-LplayoffsDivision South1234567891011121314151617181920PlayoffCount
7110-0-0In28.3%2852191No1,110
699-1-0In8.48424280No1,889
689-0-1100.0%3.3329521420No2,234
678-2-099.71.4118522540No6,706
668-1-198.40.30843361110No16,358
657-3-095.70.103304220400No24,772*
647-2-188.70.00118403010200No53,341
637-1-273.8No08293620510No66,300
6-4-076.8No09313618400No21,075
626-3-156.6No0318352912200No103,000
7-0-352.4No03163431143000No26,871
616-2-234.8No0182634237100No208,988*
606-1-316.0No0213303218400No154,009
5-4-118.6No0315313115300No125,872
595-3-26.9No01621342710100No308,838
6-0-46.1No01620332811100No60,928*
585-2-31.7No0029263522500No377,268
4-5-12.2No00211283519400No102,828
574-4-20.4No00416343312100No315,318
5-1-40.3No00314323514200No238,601*
564-3-30.0No0016233925600No514,874
5-0-50.0No015213928710No56,487
3-6-10.1No0018253922400No56,123
554-2-40.0No00211333815200No471,694
3-5-20.0No00213353612200No207,314*
543-4-30.0No00042341256100No420,053
4-1-5OutNo0032040287100No250,549*
533-3-4OutNo00110343716300No513,775
2-6-2OutNo0113363513200No84,454*
4-0-6OutNo0018323818300No47,329
523-2-5OutNo0032039288100No377,670
2-5-3OutNo004233926710No208,612*
512-4-4OutNo0111323617300No314,508
3-1-6OutNo0110303719400No173,899*
502-3-5OutNo0041937309100No308,874
1-6-3OutNo052238277100No56,238
3-0-7OutNo031736321120No27,441*
492-2-6OutNo018273720500No188,879
1-5-4OutNo0110303718400No104,843*
481-4-5OutNo0317363011200No126,539
2-1-7OutNo0315353113200No72,708*
471-3-6OutNo0172537237100No103,222
0-6-4OutNo017263623610No23,971*
461-2-7OutNo0021332341630No54,154
0-5-5OutNo0021533331420No20,593
450-4-6OutNo005213628910No36,941*
440-3-7OutNo021029371930No17,134*
430-2-8OutNo00417383280No6,909
420-1-9OutNo172945181No1,909
410-0-10OutNo02174730300.1%1,118
Total:5.6%0.0%00123581115171511742100000.0%7,065,120

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs