Update print_overview.html

print/templates/print_overview.html

@@ -27,7 +27,7 @@
         <main class="client-overview-main">
             <figure class="inksimulation">
                 {{ svg_overview|safe }}
-                <figcaption>{{ _('Scale') }} <span>{{ svg_scale }}</span></figcaption>
+                <figcaption>{{ _('Scale') }} <span>{{ svg_scale }}</span>%</figcaption>
             </figure> 
             
             <div class="color-palette">