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
SPA 16 EG 14 -0.9
-0.0
SPA 24 RS 8 -0.9
-0.0
OSA 10 BF 10 -0.1
-0.2
OSA 13 HA 16 +0.1
+0.1
HA 10 BF 14 -0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
BF 11 SPA 18 Out
OSA 15 RS 2 -0.1
LO 11 BF 7 +0.3
OSA 16 SPA 12 -0.2
BF 16 LO 13 -0.2
If winner is:HomeTieAway
EG vs OSA+0.5+0.5-0.2
OSA vs HA-0.2+0.1+0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567Count
120-0-0Out158584,872,226
Total:Out158584,872,226
Games Above .500
Chance Will Make Playoffs