<?php

function obterPercentual($votes, $total_votes)
{  

    return number_format(( (float) ($votes/$total_votes) * 100), 2);
}

$total = 4380;

$votes = [
	1580,
	1200,
	870,
	730,
];

printf('Total de votos: %s - ', array_sum($votes));

$some = 0;
foreach ($votes as $key => $vote) {


	$some += $percent = obterPercentual($vote, array_sum($votes));
	printf('Votos: %s - Porcentagem: %s%s ',$vote, $percent, "%");
}

printf("Apurado: %s%s", ceil($some), "% do votos");