1$playerson = (int)preg_replace( '/[^0-9]/', '', $data[4]);
2$maxplayers = (int)preg_replace( '/[^0-9]/', '', $data[5]);
3// $percentage = floor($playerson / $maxplayers) * 100; // floor (round down) optional
4// for echap to division by 0 add IF short form
5($maxplayers > 0) ? $percentage = floor($playerson / $maxplayers) * 100 : 0;
6