How are these numbers calculated?

Big Games

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

Week of 2/18100.0*Chance in playoffs100.0*Average seed
CCP 7 GJ 4 -8.1
-0.6
PG 0 MB 12 +0.3
CJ 2 FZN 7 +0.3
FF 0 TFD 11 -0.1
+0.0
IT 3 BBS 7 -0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
CJ 3 GJ 8 +6.8
+0.5
SB 7 TFD 4 +1.0
+0.0
BBS 7 MB 2 -1.0
FF 4 FZN 7 +0.7
+0.0
PG 5 RC 5 -0.4
IT 1 CCP 10 -0.4
-0.0
If winner is:HomeTieAway
Week of 3/4100.0*Chance in playoffs100.0*Average seed
FF vs GJ-6.4+3.8+5.0
-0.7+0.4+0.6
BBS vs RC-0.9-0.6+1.9
-0.1-0.0+0.1
FZN vs TFD+1.3-1.4-1.5
-0.0-0.1+0.0
CCP vs MB-1.2-1.2+1.2
+0.0-0.1+0.0
PG vs SB-1.3-0.9+0.8
IT vs CJ+0.8-0.6-0.7

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
01-0-096.6%10242318148310047,296,920
0-1-085.2291520221810410039,446,500
0-0-195.4822221915941004,560,780
Total:91.6%617191917136200091,304,200
Points
Chance Will Make Playoffs