How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday100.0*Chance in playoffs100.0*Average seed
Worcester 2 Rockland 12 +1.3
+0.1
Quebec 7 New Jersey 8 -0.4
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Worcester vs Rockland-1.5+1.8
-0.1+0.1
Quebec vs New Jersey+0.2-0.3

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
68-89In100472*
6758-22In93840
6657-23In946101
6556-2499.6%9360225
6455-2599.89280481
6354-2699.7881201,191
6253-2799.7841502,309
6152-2899.3762314,734
6051-2998.3643428,844
5950-3096.15046415,720
5849-3191.236559026,591
5748-3283.0236017042,232
5647-3371.3135829064,823
5546-3457.365143093,457
5445-3542.5340570128,133
5344-3629.0128701167,283
5243-3718.0018802207,308
5142-389.90108550243,294
5041-395.3058780272,724
4940-402.90384130289,400
4839-411.0177210292,710
4738-420.3066321280,708
4637-430.1053433256,817
4536-440.0040537223,374
4435-450.00275914184,494
4334-460.00166024144,092
4233-470.0095536107,484
4132-480.004475075,596
4031-49Out2356350,871
3930-50Out1257532,189
3829-51Out0168319,485
3728-52Out0108911,099
3627-53Out07936,108
3526-54Out4963,071
3425-55Out2981,460
3324-56Out0298708
3223-57Out0100308
9-31Out100636*
Total:11.8%210562483,260,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Friday100.0*Lottery seed
Worcester 2 Rockland 12 -0.5
If winner is:HomeAway
Saturday100.0*Lottery seed
Worcester vs Rockland+0.4-0.4

What If

100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718
70-89100
6960-208614
6859-21937
6758-228588
6657-2377176
6556-24771660
6455-25682480
6354-2654341200
6253-2739451410
6152-2825512041
6051-29144925102
5950-3064426204
5849-31234223390
5748-3202314451700
5647-330137522710
5546-3406249375000
5445-350313941143000
5344-36102834269100
5243-3700182132226100
5142-3800109253318400
5041-3905213303114300
4940-40030418332811200
4839-4110162134269200
4738-42000182433238100
4637-43000211273320610
4536-440000313293217400
4435-45000141732311320
4334-460001722362770
4233-470002103038182
4132-48000041940316
4031-49019334414
3930-50003225024
3829-5101124938
3728-52064350
3627-53033562
3526-54012574
3425-5501981
3324-5611386
3223-57991
3122-58298
9-30100
Total:0219789101010987531