$${\mathtt{7.45}} = {\frac{{\mathtt{149}}}{{\mathtt{20}}}}$$ ; $${\mathtt{0.654}} = {\frac{{\mathtt{327}}}{{\mathtt{500}}}}$$ ; $${\mathtt{47.085}} = {\frac{{\mathtt{9\,417}}}{{\mathtt{200}}}}$$
$${\mathtt{98}}{\mathtt{\,-\,}}{\mathtt{20}}\% = {\frac{{\mathtt{392}}}{{\mathtt{5}}}} = {\mathtt{78.4}}$$