How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday, 6/20100.0*Promotion100.0*Average seed
Shamrocks 5 Irish Club 3 +2.2
Royston 66 2 George 6 -2.0
If winner is:HomeDrawAway
Jolly Sailor A vs Racey Roystoners+7.9-2.5-10.1
+0.5-0.1-0.9
Fighting Cocks vs Royston Club+0.8+0.2-1.3
If winner is:HomeDrawAway
Thursday, 6/27100.0*Promotion100.0*Average seed
Jolly Sailor A vs George+12.9-0.5-9.2
+0.7+0.0-0.6
Irish Club vs Fighting Cocks-1.9+1.0+2.9
Royston Club vs Shamrocks+0.3+0.3-1.3
Racey Roystoners vs Royston 66-0.3+0.1+0.2

What If

Chances based on how well the Jolly Sailor A finish out the regular season.   Explain

100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromotion12345678Count
24-26NoYes10012,070*
239-3-0NoYes10004,898*
228-4-0NoYes98226,238*
217-5-0No100.0%9370107,189*
207-4-1No99.880200161,827
6-6-0No99.882180181,018*
196-5-1No97.9593920453,019
5-7-0No98.4623620255,326
7-3-2No97.1554230174,276*
185-6-1No89.133571100893,833
6-4-2No87.330571200563,895
4-8-0No89.63456100398,451*
175-5-2No63.1105333401,324,841
4-7-1No65.6115431301,248,603
6-3-3No60.69523550372,162
3-9-0No67.412553030294,344*
164-6-2No29.61285019102,138,909
3-8-1No31.22305018101,208,530
5-4-3No28.01275020101,083,159
2-10-0No29.9228501910299,187*
153-7-2No6.607384411002,348,002
4-5-3No6.306374512002,076,515
2-9-1No6.8073844100857,599*
5-3-4No6.10636451200524,352
143-6-3No0.401144387002,630,215
2-8-2No0.40114438701,677,931
4-4-4No0.40114438701,244,828
1-10-1No0.4011453860295,483
5-2-5No0.4011443870162,352*
132-7-3No0.001164832402,127,465
3-5-4No0.001164831401,875,797
1-9-2No0.00115483240704,360
4-3-5No0.00116483140548,010*
122-6-4NoNo0222492521,757,076
1-8-3NoNo022149262995,922
3-4-5NoNo022349242884,398
0-10-2NoNo022249252245,424*
112-5-5NoNo04324914983,477
1-7-4NoNo04305116933,881
3-3-6NoNo05344813274,965
0-9-3NoNo03295117220,814*
101-6-5NoNo0094843603,987
2-4-6NoNo00114940378,574
0-8-4NoNo094745270,112*
91-5-6NoNo022871276,368
0-7-5NoNo012771262,064*
81-4-7NoNo01189190,807*
70-5-7NoNo039753,905*
60-4-8NoNo19912,060*
2-5NoNo10013,690*
Total:No18.8%513182018139436,632,208

* Row combines multiple less frequent records.

Games Above .500
Chance Will Be Promoted