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 +13.6
+0.4
SPA 16 EG 14 +13.6
+0.4
OSA 10 BF 10 +2.0
HA 10 BF 14 +1.8
+0.1
OSA 13 HA 16 +1.3
-0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
BF 11 SPA 18 In
+0.4
OSA 15 RS 2 -2.8
OSA 16 SPA 12 -0.4
BF 16 RS 8 -0.2
BF 16 LO 13 -0.2
LO 11 BF 7 +0.2
If winner is:HomeTieAway
OSA vs HA+0.3+0.2-0.3
EG vs HA+0.3+0.2-0.3

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567Count
160-0-0In267428,290,742
Total:In267428,290,742
Games Above .500
Chance Will Make Playoffs