<form action="#" autocomplete="off" @submit.prevent="guardarComision" id="form_modal_agente">
    <div class="modal fade" id="modal_comision" tabindex="-1" role="dialog" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">Agregar comisión</h5>
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    <div class="form-group form-group-default">
                        <label for="tipocom">Comisiones:</label>
                        <select id="tipocom" class="form-control" @change="llenarPorcentaje($event)">
                            <option value="" disabled selected>Seleccione una opcion</option>
                            <option v-for="comision in comisionestodas" :value="comision.com_id">{{comision.com_descripcion}}</option>
                        </select>
                    </div>
                    <div class="form-group">
                        <label for="porcentaje_crear_comision">Porcentaje:</label>
                        <input type="number" step="any" class="form-control" id="porcentaje_crear_comision">
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary  btn-sm" data-dismiss="modal">Cerrar</button>
                    <button type="submit" class="btn btn-primary  btn-sm">Guardar</button>
                </div>
            </div>
        </div>
    </div>
</form>