diff --git a/OOMAnalyser.html b/OOMAnalyser.html
index 318d45d..41fbb63 100644
--- a/OOMAnalyser.html
+++ b/OOMAnalyser.html
@@ -226,9 +226,10 @@ function goBack() {
         <p>
             The system has <span class="system_total_ram_kb"></span> physical memory and
             <span class="swap_total_kb"></span> swap space. That's <span class="system_total_ramswap_kb"></span> total.
-            <span class="system_total_ram_used_kb"></span> out of <span class="system_total_ram_kb"></span> physical
-            memory and <span class="swap_used_kb"></span> out of <span class="swap_total_kb"></span> swap space
-            are in use.
+            <span class="system_total_used_percent text--append-suffix-percent"></span>
+            (<span class="system_total_ram_used_kb"></span> out of <span class="system_total_ram_kb"></span>) physical
+            memory and <span class="system_swap_used_percent text--append-suffix-percent"></span>
+            (<span class="swap_used_kb"></span> out of <span class="swap_total_kb"></span>) swap space are in use.
         </p>
     </div>
 
diff --git a/OOMAnalyser.py b/OOMAnalyser.py
index 336761a..2edf1cf 100644
--- a/OOMAnalyser.py
+++ b/OOMAnalyser.py
@@ -641,6 +641,9 @@ class OOMAnalyser(object):
         #  SwapUsed = SwapTotal - SwapFree - SwapCache
         self.results['swap_used_kb'] = self.results['swap_total_kb'] - self.results['swap_free_kb'] - \
                                        self.results['swap_cache_kb']
+        self.results['system_swap_used_percent'] = int(100 *
+                                                       self.results['swap_total_kb'] /
+                                                       self.results['swap_used_kb'])
 
     def _calc_system_values(self):
         """Calculate system memory"""
@@ -656,6 +659,11 @@ class OOMAnalyser(object):
             total_rss_pages += self.results['_processes'][pid]['rss_pages']
         self.results['system_total_ram_used_kb'] = total_rss_pages * self.results['page_size_kb']
 
+        self.results['system_total_used_percent'] = int(100 *
+                                                        self.results['system_total_ram_used_kb'] /
+                                                        self.results['system_total_ram_kb'])
+
+
     def _determinate_platform_and_distribution(self):
         """Determinate platform and distribution"""
         kernel_version = self.results.get('kernel_version', '')