module.exports = (qtys) => {
    cperc = {
        total: 100
    }

    keys = Object.keys(qtys);
    for (var i=0; i<keys.length; i++) {
        key = keys[i];

        if (key !== "total") {
            cperc[key] = (qtys[key] / qtys["total"]) * 100;
        }
    }

    return cperc;
}