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 +3.7
-0.1
SPA 16 EG 14 +3.1
+0.1
SPA 24 RS 8 +3.1
+0.1
OSA 10 BF 10 -1.6
HA 10 BF 14 +0.2
+0.0
Week of 4/11100.0*Chance in playoffs100.0*Average seed
BF 11 SPA 18 In
+0.3
OSA 15 RS 2 -0.9
OSA 16 SPA 12 -0.3
LO 11 BF 7 +0.1
BF 16 RS 8 -0.0
BF 16 LO 13 -0.0
If winner is:HomeTieAway
EG vs HA+0.3+0.3-0.1
OSA vs HA+0.1+0.1-0.1

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
160-0-0In69484,872,226
Total:In69484,872,226
Games Above .500
Chance Will Make Playoffs