1 files changed, 9 insertions, 0 deletions
diff --git a/core/Twig.php b/core/Twig.php
index 01282ef35d..69a6501d90 100644
--- a/core/Twig.php
+++ b/core/Twig.php
@@ -65,6 +65,7 @@ class Twig
         $this->addFilter_money();
         $this->addFilter_truncate();
         $this->addFilter_notificiation();
+        $this->addFilter_percentage();
         $this->twig->addFilter(new Twig_SimpleFilter('implode', 'implode'));
         $this->twig->addFilter(new Twig_SimpleFilter('ucwords', 'ucwords'));
 
@@ -187,6 +188,14 @@ class Twig
         $this->twig->addFilter($notificationFunction);
     }
 
+    protected function addFilter_percentage()
+    {
+        $percentage = new Twig_SimpleFilter('percentage', function ($string, $totalValue, $precision = 1) {
+            return Piwik::getPercentageSafe($string, $totalValue, $precision) . '%';
+        });
+        $this->twig->addFilter($percentage);
+    }
+
     protected function addFilter_truncate()
     {
         $truncateFilter = new Twig_SimpleFilter('truncate', function ($string, $size) {