add % in barchart

app/views/entries/index.html.erb

@@ -66,8 +66,24 @@
   <div class="tab-pane fade" id="chart" role="tabpanel">
     <div class="container my-4 rounded border shadow-sm py-3 px-4">
       <%= bar_chart @progress_chart_data,
+                    suffix: "%",
                     donut: false,
                     height: "300px",
+                    plugins: {
+                      tooltip: {
+                        callbacks: {
+                          label: %|function(context) {
+            return context.dataset.label + ": " + context.raw + "%";
+          }|
+                        }
+                      },
+                      legend: {
+                        position: "bottom"
+                      }
+                    },
+
+
+
                     library: {
                       legend: { position: "bottom" },
                       tooltip: {