Potential

Potential decreases in fixed amounts as follows:
100-94-89-82-76-71-65-59-53-47-41-35-29-24-18-12-6-0.

(Source: ktuluLDR in discussion international)

Prize Money

the end of every season there's always a thread of someone asking for this info and it is not publicly posted anywhere, so here it is:

Money prizes after regular season standings:
(17 - position) * 1.000.000 * league_coef

league_coef is:
1st - 1
2nd - 0.9
3rd - 0.8
4th - 0.7
5th - 0.6
6th (and lower) - 0.5

Playoff:
quarterfinal losers - 2.500.000 * league_coef
1st - 10.000.000 * league_coef
2nd - 7.500.000 * league_coef
3rd - 6.000.000 * league_coef
4th - 4.500.000 * league_coef

(Source: ZonarLDR in discussion USA)