wieviel % von 1525,50 zu 191,74

Wenn ich das jetzt richtig verstanden habe, sind deine 191,74 die 100%, also möchtest du wissen, wieviel mehr 1525,50 in Prozent sind:

$${\frac{{\mathtt{1\,525.5}}}{{\mathtt{x}}}} = {\frac{{\mathtt{191.74}}}{{\mathtt{100}}}}$$

$${\mathtt{x}} = {\frac{{\mathtt{1\,525.5}}}{{\mathtt{191.74}}}}{\mathtt{\,\times\,}}{\mathtt{100}} \Rightarrow {\mathtt{x}} = {\mathtt{795.608\: \!636\: \!695\: \!525\: \!190\: \!4}}$$  

1525, 50 sind also 795,61 % von 191,74.

Ansonsten, wenn die Frage lautet, wieviel 191,74 von 1525, 50 sind:

$${\frac{{\mathtt{x}}}{{\mathtt{191.74}}}} = {\frac{{\mathtt{100}}}{{\mathtt{1\,525.5}}}}$$

$${\mathtt{x}} = {\frac{{\mathtt{100}}}{{\mathtt{1\,525.5}}}}{\mathtt{\,\times\,}}{\mathtt{191.74}} \Rightarrow {\mathtt{x}} = {\mathtt{12.568\: \!993\: \!772\: \!533\: \!595\: \!5}}$$

Also 12,46 %

gruß