function percent($num_amount, $num_total) {
$count1 = $num_amount / $num_total;
$count2 = $count1 * 100;
$count = number_format($count2, 0);
echo $count;
}

1134
5391
2374
2887

1134 / 11786 = 0.09621....
5391 / 11786 = 0.45740....
2374 / 11786 = 0.20142....
2887 / 11786 = 0.24495....

0.09621.... becomes 0.10

function percent(array $numbers)
{
    $result = array();
    $total = array_sum($numbers);

    foreach($numbers as $key => $number){
        $result[$key] = round(($number/$total) * 100, 2);
    }

    $sum = array_sum($result);//This is 100.02 with my example array.

    if(100 !== $sum){
        $maxKeys = array_keys($result, max($result));
        $result[$maxKeys[0]] = 100 - ($sum - max($result));
    }
    return $result;
}


$numbers = array(10.2, 22.36, 50.10, 27.9, 95.67, 3.71, 9.733, 4.6, 33.33, 33.33);
$percentages = percent($numbers);
var_dump($percentages);
var_dump(array_sum($percentages));

array (size=10)
  0 => float 3.51
  1 => float 7.69
  2 => float 17.22
  3 => float 9.59
  4 => float 32.86
  5 => float 1.28
  6 => float 3.35
  7 => float 1.58
  8 => float 11.46
  9 => float 11.46
float 100