Please use this code instead.
<div id="expectdonedate-label" class="textbox-label">Deliverer's Expected Completion Time</div>
<input id="expectdonedate" type="text" class="easyui-numberspinner" style="width:95%" value="1" data-options="label:$('#expectdonedate-label'),labelPosition:'top',min:1,max:700,buttonText:'Day(s)',buttonAlign:'right',required:true">