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
Laredo 3 Amarillo 6 +4.5
+0.4
El Paso 3 Grand Prairie 17 -0.9
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Laredo vs Amarillo-4.4+4.4
-0.3+0.3
El Paso vs Grand Prairie+1.1-1.1
Gary vs Newark-0.2+0.2

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
69-92In100775*
6855-24In1000513
6754-25In9911,165
6653-26In9912,438
6552-27In98104,806
6451-28In97308,791
6350-29In9550015,468
6249-30In9190025,689
6148-31100.0%841501041,083
6047-32100.0762211060,866
5946-33100.0633232086,808
5845-3499.94841740117,786
5744-3599.6314814700150,818
5643-3698.417472312100185,331
5542-3795.173835164000215,273
5441-3886.52244417112000236,194
5340-3970.901145141981000248,840
5239-4050.20439722207100248,589
5138-4131.4012821426207100238,127
5037-4217.6017051930217100214,735
4936-438.8090172233227100183,999
4835-443.7040018253421610151,103
4734-451.2100021129351940117,262
4633-460.30000314333414286,838
4532-470.100004203929761,116
4431-480.00001931421741,159
4330-49Out00319463225,845
4229-50Out0110414915,609
4128-51Out00431658,855
4027-52Out0222764,783
3926-53Out113862,503
3825-54Out09901,124
3724-55Out595520
3623-56Out595218
3522-57Out39792
3421-58Out29844
13-33Out100407*
Total:55.1%12162167776654322,805,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs