done changes

lib/slider.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:syncfusion_flutter_sliders/sliders.dart';
+import 'package:percent_indicator/percent_indicator.dart';
 
 class slider extends StatefulWidget {
   const slider({super.key});
@@ -452,6 +453,19 @@ class _finalpageState extends State<finalpage> {
                   ),
                 ],
               ),
+              Center(
+                  child: CircularPercentIndicator(
+                radius: 90.0,
+                animation: true,
+                animationDuration: 2000,
+                lineWidth: 20.0,
+                center: Text(
+                  last + '%',
+                  style: TextStyle(fontSize: 25, color: Colors.white),
+                ),
+                percent: double.parse(last),
+                progressColor: Colors.green,
+              ))
             ]))));
   }
 }

pubspec.lock

@@ -359,6 +359,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.3"
+  percent_indicator:
+    dependency: "direct main"
+    description:
+      name: percent_indicator
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.2"
   petitparser:
     dependency: transitive
     description:

pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
+  percent_indicator: ^4.0.1
   slider_gradient: ^0.2.1
   slider_controller: ^0.0.4
   syncfusion_flutter_sliders: ^20.2.48