Разве не так?
$nums = array( 120, 73, 15, 55 );
$sum = array_sum($nums);
foreach ( $nums as $number ){
echo ($number/$sum).'%<br/>';
} Разве не так?
$nums = array( 120, 73, 15, 55 );
$sum = array_sum($nums);
foreach ( $nums as $number ){
echo ($number/$sum).'%<br/>';
}