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 24 RS 8 -7.0
-0.1
SPA 16 EG 14 -7.0
-0.1
OSA 10 BF 10 -3.1
-0.1
HA 10 BF 14 -2.7
OSA 13 HA 16 -1.0
+0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
BF 11 SPA 18 Out
OSA 15 RS 2 -0.4
-0.2
BF 16 LO 13 -0.3
OSA 16 SPA 12 -0.2
LO 11 BF 7 +0.2
If winner is:HomeTieAway
EG vs OSA+0.3+0.2-0.3
OSA vs HA-0.3+0.2+0.3

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
120-0-0Out267428,290,742
Total:Out267428,290,742
Games Above .500
Chance Will Make Playoffs