Hallo Anonymous,
4% von 410,66 = $${\mathtt{410.66}}{\mathtt{\,\times\,}}{\mathtt{4}}\% = {\mathtt{16.426\: \!4}}$$
410,66 * 4 /100 = 410,66 * 0,04 = 16,4264
$${\mathtt{410.66}}{\mathtt{\,\times\,}}{\mathtt{0.04}} = {\mathtt{16.426\: \!4}}$$
Gruß radix 
!
