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
Gary 20 Newark 11 +1.9
+0.2
El Paso 3 Grand Prairie 17 -0.3
Laredo 3 Amarillo 6 -0.1
Kansas City 5 Wichita 6 +0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Gary vs Newark+2.1-3.6
+0.2-0.3
El Paso vs Grand Prairie+0.5-0.4
Laredo vs Amarillo+0.4-0.4
St. Paul vs Sioux Falls+0.3-0.3
Lincoln vs Sioux City+0.1-0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
70-89In100472*
6959-20In97339
6858-21In9731118
6757-22In9622291
6656-23In9244664
6555-24In89561,581
6454-25In7990123,226
6353-26In71131166,227
6252-27100.0%5817124011,564
6151-2899.94423231020,246
6050-2999.53024441034,066
5949-3098.417247502053,337
5848-3195.891910584079,432
5747-3290.141412611000112,265
5646-3379.61812591920150,122
5545-3463.303105031500190,575
5444-3543.7017364213100229,897
5343-3624.4004204426500264,335
5242-3710.70029343815200285,924
5141-383.40131939298100295,794
5040-390.8017283921500290,175
4939-400.100213343415300269,831
4838-410.0000419372910100238,971
4737-420.00017263723600200,669
4636-430.000021232361620160,544
4535-44Out000419383080121,266
4434-45Out0018304119187,133
4333-46Out003174334359,658
4232-47Out0183548838,770
4131-48Out00325571523,810
4030-49Out0114612513,824
3929-50Out0757367,646
3828-51Out0350473,973
3727-52Out139602,045
3626-53Out3466953
3525-54Out2476409
3424-55Out11683153
3323-56Out138779
3222-57Out59522
3121-58Out11899
10-30Out100457*
Total:23.2%2231615141311975313,260,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs