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*Average seed
Giannina vs Xanthi+0.2-0.2-0.2
+0.3-0.2-0.4
Veria vs Giannina-0.2-0.2+0.2
-0.4-0.2+0.2
AEK vs Panathinaikos-0.1+0.0+0.2
Platanias vs AEK+0.1+0.1-0.1
-0.1-0.0+0.1
Xanthi vs Panetolikos-0.1+0.1+0.1
Olympiakos vs Platanias+0.0-0.0-0.1
+0.0-0.0-0.1
Atromitos vs PAOK-0.2+0.0+0.1
Panionios vs Atromitos+0.1-0.0-0.3

What If

Chances based on how well Giannina finishes out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsUEFA CL12345678910111213141516RelegatedCount
495-0-024.0%No0123532120No10,389,089
474-1-03.2No033249160No50,156,467
464-0-10.6No011750320No94,043,366
453-2-00.1No0742501No80,192,638
443-1-10.0No0227684No260,787,965
433-0-2OutNo0137790No187,082,024
2-3-0OutNo0137790No57,314,179
422-2-1OutNo0677170No254,140,506
412-1-2OutNo01663300No340,045,387
1-4-0OutNo01663300No19,097,189
402-0-3OutNo0524700No139,045,764
1-3-1OutNo0524700No105,156,052
391-2-2OutNo386020No199,716,133
0-5-0OutNo386020No2,423,498
381-1-3OutNo2172700No156,422,417
0-4-1OutNo2172700No15,759,562
371-0-4OutNo11761310No42,977,906
0-3-2OutNo11761310No38,104,243
360-2-3OutNo5682520No43,059,494
350-1-4OutNo15239700No22,842,686
340-0-5OutNo36471610No4,878,491
Total:0.2%No00021153312000No2,123,635,056
Points
Chance Will Make Playoffs