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
New Orleans vs Atlanta+0.4-0.4
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Orlando vs Chicago+4.4-4.4
+0.5-0.5

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415Count
57-79In10044*
5654-23In92824
5553-24In99176
5452-25In991153
5351-26In964357
5250-27In92700655
5149-28In851411,183
5048-29In77202001,883
4947-30In623150103,085
4846-31In4439141204,761
4745-32In2541244606,807
4644-33In1130331113209,071
4543-34In31629192381012,084
4442-3599.8%1517222719720014,576
4341-3697.9016172227188200016,890
4240-3787.600199222720930018,941
4139-3860.70042919272312410019,953
4038-3927.2202717262515510019,979
3937-407.2000161526271771018,884
3836-411.200015142629187117,168
3735-420.1001414283218414,399
3634-43Out0151733331211,868
3533-44Out0172441279,245
3432-45Out021339456,858
3331-46Out00632624,679
3230-47Out0222763,102
3129-48Out113861,962
3028-49Out07931,092
2927-50Out595620
2826-51Out298355
2725-52Out199179
2-26Out100147*
Total:48.4%556667777777788221,080

* 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
New Orleans vs Atlanta-0.1+0.1
If winner is:HomeAway
Thursday100.0*Lottery seed
Orlando vs Chicago-0.9+0.9

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718192021222324252627282930
57-79100
5654-238848
5553-24991
5452-259721
5351-269244
5250-27857700
5149-2871141401
5048-295820200200
4947-3037262925010
4846-311728327130120
4745-32520261522240600
4644-33111112025811012020
4543-340321414161722038010
4442-351053141481710172701000
4341-360105611616189171802000
4240-37001180951617101829310
4139-3800040208416141319136100
4038-390202072151019211462000
3937-4000001051613212217941000
3836-410001001612212419104100
3735-420000025142225199300
3634-43001281727251551
3533-44015142730184
3432-4501515303416
3331-46015204133
3230-4701103553
3129-48032571
3028-4911585
2927-500990
2826-51496
2725-52298
2-26100
Total:233333333333434344444444444444