Hallo Anonymous,
$${\mathtt{p}} = {\frac{{\mathtt{P}}}{{\mathtt{G}}}}{\mathtt{\,\times\,}}{\mathtt{100}}$$ => $${\mathtt{p}} = {\frac{{\mathtt{20\,000}}{\mathtt{\,\times\,}}{\mathtt{100}}}{{\mathtt{240\,300}}}} \Rightarrow {\mathtt{p}} = {\mathtt{8.322\: \!929\: \!671\: \!244\: \!278}}$$
gerundet p = 8,32 %
Probe:
$${\mathtt{240\,300}}{\mathtt{\,\times\,}}{\mathtt{8.322\: \!9}}\% = {\mathtt{19\,999.928\: \!7}}$$
Gruß radix
!