move math, add 2 decimal spot

salt/grafana/panels/pcap_retention_singlestat.json.jinja

@@ -82,15 +82,15 @@
             ],
             "type": "field"
           },
+          {
+            "params": [],
+            "type": "last"
+          },
           {
             "params": [
               "/86400"
             ],
             "type": "math"
-          },
-          {
-            "params": [],
-            "type": "last"
           }
         ]
       ],
@@ -122,7 +122,7 @@
   },
   "cacheTimeout": null,
   "colorBackground": false,
-  "decimals": 0,
+  "decimals": 2,
   "error": false,
   "interval": null,
   "nullText": null,