How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Wednesday100.0*Chance in playoffs100.0*Average seed
Detroit vs Sacramento-0.5+0.5
LA Lakers vs Philadelphia+0.4-0.4
New Orleans vs Atlanta+0.4-0.4
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Boston vs Memphis+4.0-4.0
+0.4-0.4
Phoenix vs Philadelphia+0.5-0.5

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415Count
55-79In100190*
5451-25In991241
5350-26In982444
5249-27In9540769
5148-28In891101,516
5047-29In801912,442
4946-30In69283003,731
4845-31In523890105,713
4744-32In3242203307,811
4643-33In173730871010,638
4542-34In62433171641013,339
4441-35100.0%2102524251230015,891
4340-3699.4021124252312310018,102
4239-3794.903151425251341019,645
4138-3876.4008414242616620020,034
4037-3942.8030412232719920019,585
3936-4014.31003102128231130018,291
3835-412.800028202925123015,936
3734-420.30002820302612213,282
3633-430.00018233526710,590
3532-44Out002102940197,974
3431-45Out031842365,468
3330-46Out01937543,798
3229-47Out0326712,448
3128-48Out0214841,436
3027-49Out01089864
2926-50Out694441
2825-51Out298250
2724-52Out100100
2623-53Out29852
3-25Out10059*
Total:57.1%777877777776665221,080

* 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

If winner is:HomeAway
Wednesday100.0*Lottery seed
LA Lakers vs Philadelphia-0.1+0.1
If winner is:HomeAway
Thursday100.0*Lottery seed
Boston vs Memphis-0.9+0.9
Phoenix vs Philadelphia-0.1+0.1
Oklahoma City vs Brooklyn-0.1+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718192021222324252627282930
56-79100
5552-24991
5451-259811
5350-269622
5249-2790540
5148-28809110
5047-2964161801
4946-3046232713000
4845-31252734490010
4744-3292332101913300
4643-332151818264807010
4542-340651821131611514010
4441-35209718195196120300
4340-36002110121210141941103100
4239-370023121131115205130410
4138-380017041138161961562000
4037-3900300411161717201351000
3936-40100030104122223167200
3835-41000201513212519103100
3734-4200001512212520113100
3633-430001514242718820
3532-44000310222924112
3431-4500282034279
3330-460018264024
3229-4702134045
3128-480153063
3027-49022078
2926-5001386
2825-51496
2724-52100
2623-53496
3-25100
Total:434343444343434344333333333332