How are these numbers calculated?

Big Games

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

Monday, 4/9100.0*Chance in playoffs100.0*Average seed
RS 6 OS 17 +14.5
+0.5
SAL 16 OS 8 -11.4
-0.3
JPP 16 BF 13 +9.9
+0.1
SPA 14 BF 5 +3.7
+0.1
RS 14 SAL 25 +0.5
JPP 13 SPA 21 +0.2
Tuesday, 4/10100.0*Chance in playoffs100.0*Average seed
QE 3 HA 35 -0.0
HA 14 EG 7 -0.0
SPA 21 MEL 7 +0.0
Wednesday, 4/11100.0*Chance in playoffs100.0*Average seed
LO 11 OS 4 -13.0
-0.2
If winner is:HomeTieAway
OS vs HAInOutOut
+0.7-0.3-0.3

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
121-0-0In10025,845,006
10-11Out10055,168,002*
Total:31.9%326881,013,008

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs