5.417,50 = Monatsgehalt Strom= 40,00 Wieviel Prozent sind das
$${\frac{{\mathtt{40}}{\mathtt{\,\times\,}}{\mathtt{100}}}{{\mathtt{5\,417.5}}}} = {\frac{{\mathtt{1\,600}}}{{\mathtt{2\,167}}}} = {\mathtt{0.738\: \!347\: \!946\: \!469\: \!773\: \!9}}$$