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 -11.1
-0.6
JPP 16 BF 13 +4.0
+0.1
SPA 21 BF 10 +3.9
+0.1
RS 14 SAL 25 Out
-0.3
MEL 14 EC 5 -0.1
MEL 18 EG 15 -0.1
Tuesday, 4/10100.0*Chance in playoffs100.0*Average seed
SPA 21 RS 4 -0.1
If winner is:HomeTieAway
RS vs MEL+0.3-0.2-0.2
SPA vs MEL+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
81-0-0Out51495,319,602
6-7Out1005,604,734*
Total:Out257510,924,336

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs