Helper.php

<?php

function formatNumber($number, $maxFraction = 2)
{
    if ($number == 0 || $number == null)
        return;

    $formatted = number_format($number, $maxFraction, ',', '.');

    // get fraction part
    $fraction = explode(',', $formatted)[1];

    // if fraction part is 0, remove it
    if ($fraction == '00')
        return number_format($number, 0, ',', '.');

    return $formatted;
}

function formatRupiah($str)
{
    return number_format($str, 0, ',', '.');
}

function percentage($number, $total)
{
    if ($total == 0)
        return 0;

    return ($number / $total) * 100;
}