How are these numbers calculated?

Big Games

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

Week of 4/5100.0*Chance in playoffs100.0*Average seed
OSA 13 HA 16 -12.1
-0.3
SPA 16 EG 14 -1.9
-0.0
SPA 24 RS 8 -1.9
-0.0
HA 10 BF 14 +1.3
OSA 10 BF 10 +1.1
+0.3
Week of 4/11100.0*Chance in playoffs100.0*Average seed
BF 11 SPA 18 -2.9
OSA 16 SPA 12 +2.6
+0.3
OSA 15 RS 2 +0.9
+0.1
BF 16 LO 13 +0.2
LO 11 BF 7 -0.3
If winner is:HomeTieAway
EG vs HA+23.8+8.6Out
+0.2+0.1-0.0
OSA vs HA+7.5OutOut
+0.2-0.1-0.1
EG vs OSAOut-1.9+1.3
-0.5-0.5+0.2

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567Count
152-0-015.2%158523,362,059
141-0-12.12982,440,249
131-1-0Out10046,100,548*
11-12Out10012,969,370*
Total:4.2%4801584,872,226

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs