displaying percent need twig/intl-extra

app/templates/beer/index.html.twig

@@ -22,7 +22,7 @@
             <tr>
                 <th scope="row">{{ beer.id }}</th>
                 <td>{{ beer.name }}</td>
-                <td>{{ beer.alcool }}</td>
+                <td>{{ beer.alcool|format_percent_number({rounding_mode: 'floor', fraction_digit: 1}) }}</td>
                 <td>
                     <a href="{{ path('beer_show', {'id': beer.id}) }}" class="btn btn-secondary" role="button" title="{{'show'}}">
                        <i class="fa fa-eye fa-fw"></i>

app/templates/beer/show.html.twig

@@ -19,7 +19,7 @@
             </tr>
             <tr>
                 <th scope="row">{{'Alcool'}}</th>
-                <td>{{ beer.alcool }}</td>
+                <td>{{ beer.alcool|format_percent_number({rounding_mode: 'floor', fraction_digit: 1}) }}</td>
             </tr>
         </tbody>
     </table>