How are these numbers calculated?

Big Games

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

Tuesday100.0*Average seed
Miami 103 Oklahoma City 97 +0.1
If winner is:HomeHome OTAway OTAway
Wednesday100.0*Average seed
Charlotte vs Miami-0.1-0.1+0.1+0.1
Atlanta vs Detroit-0.0-0.0+0.1+0.0

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415Count
64-76In1001,584*
6344-13In10002,440
6243-14In10005,460
6142-15In1000010,983
6041-16In99120,628
5940-17In973035,821
5839-18In955056,292
5738-19In9190081,204
5637-20In851500109,138
5536-21In772301134,347
5435-22In6632010152,428
5334-23In5343130160,921
5233-24In4052260157,711
5132-25In2759590142,932
5031-26In1659101500121,362
4930-27In85316221094,797
4829-28In340242930068,914
4728-29In126293491046,356
4627-30In01430351830029,448
4526-31100.0%062727291010017,026
4425-32100.02201832226109,208
4324-3399.71148273116304,643
4223-3497.709215313011202,182
4122-3592.7417223624710971
4021-3673.521112633225378
3920-3752.52153630153158
3819-3822.94194825448
3718-3916.717335012
3617-4016.71733506
3516-41Out3333333
3415-42Out1002
190-57Out199121
Total:100.0%49356821000000001,467,524

* 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

Tuesday100.0*Lottery seed
Miami 103 Oklahoma City 97 -0.2
LA Lakers 100 New York 94 -0.1
If winner is:HomeHome OTAway OTAway
Wednesday100.0*Lottery seed
Charlotte vs Miami+0.3+0.3-0.2-0.2
Atlanta vs Detroit+0.0+0.0-0.1-0.1
Phoenix vs New York-0.1-0.1+0.0+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718192021222324252627282930
68-76100
6748-9982
6647-10991
6546-11991
6445-12982
6344-139640
6243-149280
6142-15831600
6041-16722710
5940-175840200
5839-184055400
5738-1925667200
5637-201372960000
5536-2157210130010
5435-2226482400100
5334-2305363700210
5233-2404035011420
5132-25027158145400
5031-2601605918510000
4930-2780521155181000
4829-28304012332621000
4728-2912602913345100
4627-3001403003441421000
4526-31060270272274610000
4425-3220201813141832100
4324-331148027229412210
4223-3409215031327472100
4122-3541722135420421
4021-36211126131610641
3920-3721513548171251
3819-38419423519134
3718-391781717338
3617-4017171750
3516-416733
3415-425050
190-57199
Total:84143115260100000000000000000