Formulir Populat Otomatis dengan Perhitungan Persentase JavaScript

function mult(value) {
    var w, x, y, z;

    x = 3;
    y = (x / 100) * parseInt(value);
    z = parseInt(value) + parseInt(y);


    document.getElementById('percent').value = y;
    document.getElementById('total').value = z;
}
Cute Cod