How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
El Paso 3 Grand Prairie 17 -0.3
-0.2
Laredo 3 Amarillo 6 -0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
El Paso vs Grand Prairie+0.1-0.1
+0.1-0.1

What If

Chances based on how well the El Paso finish out the regular season.   Explain

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
60-83In100452*
5955-2490.0%303010201010
5854-25In2535152520
5753-2696.120292027451
5652-2784.45143531105147
5551-2877.121430311841353
5450-2960.7052729271020761
5349-3035.601171738215101,598
5248-3120.90129313115303,128
5147-328.106217342910206,206
5046-333.0030622362471011,087
4945-340.9101928362050019,765
4844-350.2002143233153032,492
4743-360.10004193630101050,772
4642-370.000172438246075,831
4541-38Out002113237162107,126
4440-39Out00041940307144,361
4339-40Out0019324217185,489
4238-41Out003204631225,068
4137-42Out001104148259,619
4036-43Out0043263284,872
3935-44Out0022277296,752
3834-45Out011386293,723
3733-46Out0892276,302
3632-47Out0496244,474
3531-48Out0298206,804
3430-49Out0199165,521
3329-50Out0100125,011
3228-51Out010090,358
3127-52Out010061,494
3026-53Out010039,227
2925-54Out010023,684
2824-55Out010013,535
2723-56Out01007,270
2622-57Out01003,643
2521-58Out01001,735
4-24Out1001,831*
Total:0.1%0000001124818653,260,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Friday100.0*Lottery seed
El Paso 3 Grand Prairie 17 +0.2
If winner is:HomeAway
Saturday100.0*Lottery seed
El Paso vs Grand Prairie-0.2+0.2

What If

100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718
61-83100
6056-23100
5955-243030102010
5854-2552020151525
5753-2620161420274
5652-2755835311051
5551-28241030311851
5450-290132729261120
5349-3000117173324710
5248-3100129243218410
5147-3206212293115400
5046-33030315312914300
4945-34100518322912300
4844-35001619322712200
4743-36001620332611200
4642-37000172233259200
4541-380029243423810
4440-390021128341950
4339-40003153333142
4238-4100162238276
4137-42000211334014
4036-43004224627
3935-44001124542
3834-450063756
3733-460022870
3632-47011980
3531-48001387
3430-490892
3329-500595
3228-510397
3127-52199
3026-530199
2925-540100
2824-550100
2723-560100
2622-570100
2521-580100
4-24100
Total:000000000112357122346