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
LA Lakers vs Philadelphia+0.5-0.5
+0.1-0.1
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Oklahoma City vs Brooklyn-4.1+4.0
-0.4+0.4
Phoenix vs Philadelphia+0.5-0.5
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415Count
56-80In100174*
5552-25In982167
5451-26In982344
5350-27In964612
5249-28In93701,132
5148-29In8514101,974
5047-30In73243003,114
4946-31In59356004,775
4845-32In4240141106,615
4744-33In24422554009,144
4643-34In113134121120011,888
4542-35100.0%316312120710014,603
4441-3699.815182525187200017,041
4340-3797.601620202617820019,161
4239-3887.2011282026209310019,886
4138-3960.20052819262213410019,776
4037-4026.20201716262515610018,799
3936-417.0100151525271871017,028
3835-421.00014132529207114,776
3734-430.1001414273119411,718
3633-440.00014173333129,173
3532-450.0000162342286,669
3431-46Out0021440444,850
3330-47Out0631633,152
3229-48Out0220781,924
3128-49Out112871,216
3027-50Out892690
2926-51Out496362
2825-52Out199160
2724-53Out10075
2623-54Out39738
3-25Out10044*
Total:56.9%777877777766665221,080

* 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
New York vs Portland+0.1-0.1
New Orleans vs Atlanta-0.1+0.1
If winner is:HomeAway
Thursday100.0*Lottery seed
Oklahoma City vs Brooklyn+0.9-0.9
Phoenix vs Philadelphia-0.1+0.1
Miami vs Dallas+0.1-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718192021222324252627282930
56-80100
5552-259812
5451-269622
5350-279154
5249-28831070
5148-29711414010
5047-305320240300
4946-3134253226000
4845-321626337140110
4744-335202616232504000
4643-341101120259110100200
4542-3503214141718317370100
4441-361053151591510162702000
4340-370106713515161016280200
4239-380121008516151117293100
4138-3900052083151313181462000
4037-40002001062141019211472000
3936-41010001051513202317931000
3835-42001002513202419114100
3734-430000261321251910300
3633-440001281727251551
3532-4500015142631195
3431-4601415313415
3330-47014204134
3229-48183556
3128-49032373
3027-5011781
2926-510793
2825-521594
2724-53100
2623-54595
3-25100
Total:434343444343434344333333333332