How are these numbers calculated?

Big Games

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

Tuesday, 4/3100.0*Chance in playoffs100.0*Average seed
BF 13 HA 18 -10.1
-0.1
If winner is:HomeTieAway
Wednesday, 4/4100.0*Chance in playoffs100.0*Average seed
EC vs OS-9.3-4.2+2.9
-0.5-0.1+0.2
BF vs MEL-0.8+4.7+6.0
-0.0+0.1+0.1
BF vs SAL+0.9-0.3-0.7
EC vs SPA-0.1-0.0+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
165-0-0In08622830125,541
154-0-199.9%1452303046,508
144-1-088.342338231201,162,174
3-0-284.12163631166,629
133-1-156.30848440318,320
2-0-354.5748451479
123-2-013.5021282403,722,727
2-1-210.101987330,604
1-0-47.179314
112-2-12.20287110687,855
1-1-31.3178211,196
102-3-00.100594105,012,474
1-2-20.106039039,539
0-1-4Out584212
91-3-1Out386110553,928
0-2-3Out12871761
81-4-0Out11751402,758,387
0-3-2Out57916014,279
70-4-1Out158411133,794
60-5-0Out1573120469,779
Total:12.7%001246503250015,085,000
Games Above .500
Chance Will Make Playoffs