How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 4/1100.0*Chance in playoffs100.0*UEFA CL100.0*Average seed
Giannina vs Xanthi-9.0-1.5+19.6
-0.2-0.2+0.6
-0.3+0.0+0.5
Xanthi vs Panetolikos+8.5-8.5-13.6
+0.1-0.2-0.2
+0.3-0.2-0.5
Panathinaikos vs Panionios-3.1+2.0+6.4
+0.0+0.0-0.1
-0.0+0.0+0.1
Platanias vs AEK+4.2+1.6-4.8
+0.0+0.0-0.1
-0.1+0.1+0.0
AEK vs Panathinaikos-2.2+0.5+3.0
+0.0+0.0-0.1
PAOK vs Larissa-0.7+0.9+2.7
-0.1+0.1+0.2
-0.0+0.0+0.1
Olympiakos vs Platanias+0.5-0.2-2.8
+0.1-0.0-0.2
Atromitos vs PAOK+1.5+0.2-0.9
+0.1+0.0-0.1
Panionios vs Atromitos-0.1+0.1+0.3
-0.1+0.1+0.3
+0.0+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsUEFA CL12345678910111213141516RelegatedCount
555-0-099.2%11.9%0431491610No30,585,833
534-1-086.30.4063447140No96,658,795
524-0-172.20.0011952280No126,855,033
513-2-051.90.000844471No119,690,796
503-1-131.10.0002296540No302,168,554
493-0-216.4No001674900No180,954,896
2-3-016.6No01167490No72,075,434
482-2-16.9No007761700No262,968,768
472-1-22.1No02653210No303,419,520
1-4-02.1No02663100No21,148,144
462-0-30.5No00504540No110,008,365
1-3-10.5No01524520No99,219,836
451-2-20.1No0355680No165,252,660
0-5-00.1No0395830No2,421,093
441-1-30.0No017592220No114,664,247
0-4-10.0No019641510No13,710,032
430-3-2OutNo8543350No29,291,826
1-0-4OutNo7474070No27,462,416
420-2-3OutNo235471600No29,211,553
410-1-4OutNo016493410No13,349,433
400-0-5OutNo5385250No2,517,822
Total:20.2%0.2%00141552234100No2,123,635,056
Points
Chance Will Make Playoffs