How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 5001228152127127$344,646
Auto Club 500147250121121123,223
Shelby 42744285160160194,923
Kobalt Tools 5003218305676798,098
Food City 50012650311275132116,973
Goody’s Fast Relief 500201149910310399,923
Samsung 500111334401305135172,346
Subway Fresh Fit 5008831211425147109,723
Aaron’s 49926331878585107,548
Crown Royal Presents Richmond 400289399797994,498
Southern 50029213477676102,096
Coca-Cola 60012122751855190403,748
Dover 400181400251095114125,998
Pocono 500313200165165157,148
LifeLock 400194200106106105,348
Toyota/Save Mart 3503142113707099,621
Lenox Industrial Tools 301414273160160146,423
Coke Zero 40036141275555106,498
LifeLock.com 400129267127127121,448
Allstate 400 at the Brickyard85160142142220,848
Pennsylvania 500291320017658192,273
NASCAR Sprint Cup Series at the Glen252590888888,498
Michigan 40093120041385143119,248
Sharpie 5001718500112112122,323
Pep Boys Auto 500428325160160168,098
Chevy Rock and Roll 4002023400103103100,023
Sylvania 3001213300127127110,973
Dover 400 Number 221539810010097,848
Kansas 400813267142142132,173
Pepsi 5001842250109109121,348
Bank of America 5001521334118118101,548
Tums Fast Relief 500165501181155120101,473
Amp Energy 5002616191685590104,873
Dickies 5001613333115115129,298
Checker O'Reilly Auto Parts 5001015312134134109,248
Ford 4001522267118118
10,4081014,176+45-0=4,221$4,750,322