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
Kansas City 5 Wichita 6 -3.1
-0.3
Gary 20 Newark 11 -0.3
El Paso 3 Grand Prairie 17 -0.3
Laredo 3 Amarillo 6 -0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Kansas City vs Wichita+2.2-2.2
+0.3-0.3
Gary vs Newark-0.3+0.4
El Paso vs Grand Prairie+0.3-0.2
Laredo vs Amarillo+0.2-0.2
St. Paul vs Sioux Falls+0.2-0.2

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
69-89In100455*
6858-21In94616
6757-22In97358
6656-23In9235119
6555-24In89506349
6454-25In8588760
6353-26In77120111,593
6252-27In64161193,248
6151-2899.7%531912606,151
6050-2999.33725334111,721
5949-3098.023256442020,182
5848-3195.612229534033,664
5747-3289.45161157100052,761
5646-3378.8291256192078,771
5545-3461.904104832600110,672
5444-3541.7017334215200148,151
5343-3622.7004184228710188,752
5242-379.50283139183000227,668
5141-382.80121637321010261,256
5040-390.60062439246100284,592
4939-400.100110323717300294,901
4838-410.000031736311110290,242
4737-420.00016243824600270,868
4636-430.000011132361620240,314
4535-44Out00419393080203,616
4434-45Out00193141181162,347
4333-46Out0031843323124,303
4232-47Out0193646889,192
4131-48Out00426551560,998
4030-49Out0115582638,951
3929-50Out008543824,211
3828-51Out03465014,058
3727-52Out137627,728
3626-53Out126733,963
3525-54Out020801,942
3424-55Out1387923
3323-56Out892391
3222-57Out793151
3121-58Out49655
3020-59Out79315
10-29Out100464*
Total:11.9%11281012131312119723,260,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs