<?php
 
	$percentual_total="";
	$array = array('04:45', '01:30', '00:45');
 
	$total = '07:00';
	$explodeHoraTotal = explode(":",$total); //retorna um array onde cada elemento é separado por ":"
	$minutosTotal = $explodeHoraTotal[0];
	$minutosTotal = $minutosTotal*60;
	$total =$minutosTotal+$explodeHoraTotal[1];
 
 
 
	      foreach ($array as $tem => $key) {
 
	      $quebraHora = explode(":",$key); //retorna um array onde cada elemento é separado por ":"
		  $minutos = $quebraHora[0];
		  $minutos = $minutos*60;
		  $tot =$minutos+$quebraHora[1];
 
	      $percentual = round(($tot / $total) * 100);
 
	      $percentual_total .= "Tempo: " . $key . ", Percentual: " . $percentual . "\n";
	}
 
	 echo $percentual_total;

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