How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 2/23100.0*Chance in playoffs100.0*Major Playoff100.0*Demoted100.0*Average seed
EHOME vs Elephant-38.1+17.8
+13.4-6.3
-0.9+0.4
VG vs Elephant-9.9+21.3
No+0.0
+2.6-5.6
-0.4+0.9
Elephant vs MagMa+8.3-17.9
-6.3+13.4
+0.3-0.6
PSG.LGD vs VG-12.9+6.0
+0.9-0.4
-0.1+0.1
PSG.LGD vs iG-14.3+3.6
+1.1-0.3
-0.2+0.1
MagMa vs iG-7.2+0.8
+0.6-0.1
-0.1+0.0
Aster vs MagMa+0.8-6.7
-0.1+0.6
+0.0-0.1
EHOME vs LBZS-1.4+4.0
+0.1-0.2
-0.0+0.1
PSG.LGD vs EHOME-0.5+1.1
+0.9-2.0
-0.0+0.1
VG vs Aster+0.3-0.2
+0.1-0.0
-0.1+0.0
LBZS vs iG-0.5+0.0
Aster vs iG-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
53-0In0.0%09875No171,503,402
42-192.2%0.000236980No526,589,813
31-237.1No0373923100.7%379,464,699
20-3OutNo5887187.280,141,702
Total:68.9%0.0%012344178606.3%1,157,699,616
Points
Chance Will Make Playoffs