Updated format of percentages for Apache dashboard

Changed format from percent(0.0-0.1) to percent(0-100).

Change-Id: Ieca9cf50a8f71414a4bfb7bdd57e04efbb48de05
Closes-Bug: PROD-27982
(cherry picked from commit 24d0f0497f50250f1e6d1190ab356b183a3988be)
diff --git a/apache/files/grafana_dashboards/apache_prometheus.json b/apache/files/grafana_dashboards/apache_prometheus.json
index 421ebfa..d72da30 100644
--- a/apache/files/grafana_dashboards/apache_prometheus.json
+++ b/apache/files/grafana_dashboards/apache_prometheus.json
@@ -320,7 +320,7 @@
         "#d44a3a"
       ],
       "datasource": null,
-      "format": "percentunit",
+      "format": "percent",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -788,7 +788,7 @@
         "#d44a3a"
       ],
       "datasource": null,
-      "format": "percentunit",
+      "format": "percent",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -1264,7 +1264,7 @@
         "#d44a3a"
       ],
       "datasource": null,
-      "format": "percentunit",
+      "format": "percent",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,