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
Elephant vs MagMa-13.1+13.1
No+0.1
+27.3-27.3
-0.8+0.8
Aster vs MagMa-10.9+10.9
No+0.1
+16.4-16.4
-0.6+0.6
MagMa vs iG+10.8-10.8
+0.1No
-16.5+16.5
+0.6-0.6
EHOME vs LBZS-2.1+2.1
+8.4-8.4
-0.1+0.1
Aster vs LBZS-1.8+1.8
-0.1+0.1
-1.3+1.3
LBZS vs iG+1.7-1.7
+0.1-0.1
+1.2-1.2
PSG.LGD vs VG-1.7+1.7
+0.1-0.1
+1.5-1.5
-0.1+0.1
VG vs Aster+1.3-1.3
-1.0+1.0
+0.1-0.1
EHOME vs Elephant-1.1+1.1
-0.1+0.1
+2.9-2.9
-0.1+0.1
VG vs Elephant+1.0-1.0
No+0.1
-4.0+4.0
+0.1-0.1
PSG.LGD vs iG-0.3+0.3
+0.4-0.4
PSG.LGD vs EHOME-0.1+0.1
-0.1+0.1
-7.4+7.4
+0.1-0.1
Aster vs iG-0.1+0.1
-0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
43-084.3%1.0%1153732141No39,786,928
32-18.5No18284519018.7%119,076,026
21-2OutNo119681280.3119,069,025
10-3OutNo1485199.039,788,693
Total:13.7%0.1%02571224381149.5%317,720,672
Points
Chance Will Make Playoffs