diff --git a/README.md b/README.md
index baafdfd..87bd7a6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
+What we changed
+=============
+- Add % when display in knob
+
+
+
 jQuery Knob
 =============
 
diff --git a/js/jquery.knob.js b/js/jquery.knob.js
index 32caa3d..d5a57a9 100644
--- a/js/jquery.knob.js
+++ b/js/jquery.knob.js
@@ -541,7 +541,7 @@
                 || this.v > this.o.max
             ) this.v = this.o.min;
 
-            this.$.val(this.v);
+            this.$.val(this.v + "%");
             this.w2 = this.o.width / 2;
             this.cursorExt = this.o.cursor / 100;
             this.xy = this.w2;