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 -3.9
-0.4
JPP 16 BF 13 +2.3
SPA 21 BF 10 +0.8
RS 14 SAL 25 Out
-0.0
MEL 18 EG 15 -0.0
MEL 14 EC 5 -0.0
If winner is:HomeTieAway
Tuesday, 4/10100.0*Chance in playoffs100.0*Average seed
RS vs MEL+0.6-0.4-0.4
SPA vs MEL+0.0+0.0-0.4

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
81-0-0Out95515,547,177
6-7Out10023,014,631*
Total:Out386238,561,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs