How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Growney 83.5 Eric 102.5 -6.6
-0.6
Leland 89.3 Jones 65.1 +0.3
Coorsh 122.7 Kwan 109.8 +0.2
Chase 100.3 Aglock 69.9 -0.1
If winner is:HomeAway
Week of 10/3100.0*Chance in playoffs100.0*Average seed
Kwan vs Growney-4.3+4.7
-0.6+0.6
Eric vs Frawley-0.2+0.2
Coorsh vs Chase+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1010-0In9190019,567
99-1100.0%5141800145,417
88-298.09363815200764,543
77-354.703173531122002,393,084
66-42.500215333314204,904,663
55-50.000216383496,895,788
44-6Out00840516,732,578
33-7Out0012884,502,567
22-8Out01991,975,743
11-9Out0100512,582
00-10Out10067,288
Total:8.1%1124571013203628,913,820
Games Above .500
Chance Will Make Playoffs