<script type="text/javascript" charset="utf-8">
  $(document).on('ready pjax:complete',function()  {
 
    // Identify the questions
    var thisQuestion = $('#question{QID}');    
    var nextQuestion = $(thisQuestion).next('.question-container');
 
    // Hide the next question
    $(nextQuestion).hide();
 
    // Insert the "%" symbols
    $(thisQuestion).addClass('with-inserted-symbols');
    $('.answer-item input:text', thisQuestion).after('<span class="inserted-symbol">%</span>');
 
    // Move the array row
    $('table.subquestion-list', thisQuestion).append($('tr.answers-list', nextQuestion));
  });
</script>

<style type="text/css">
  .with-inserted-symbols .answer-item input[type="text"] { 
    display: inline-block;
  }
 
  .inserted-symbol { 
    margin-left: 5px;
  }
</style>