I created something that might help you...
Just, next time you should provide at least your best try in order to get some answers.
LIVE DEMO
<div class="slideButton">
<div class="slider"></div>
<div class="pointer"></div>
<div class="panel"></div>
</div>
.slideButton{
background-color: hsla(190, 90%, 0%, 1);
background-image:url(http://i.imgur.com/FTt4CCI.png);
width:101px;
height:101px;
position:relative;
border-radius:56px;
overflow:hidden;
cursor:pointer;
box-shadow: inset 0 0 0 1px rgba(0,0,0,0.2);
}
.slider{
position:absolute;
background:url(http://i.imgur.com/tQCNIgo.png);
width:101px;
height:101px;
transition: 0s;
-webkit-transition: 0s;
}
.pointer{
background:url(http://i.imgur.com/SLzrzp6.png);
width:101px;
height:101px;
position:absolute;
border-radius:50px;
transition: 1.2s;
-webkit-transition: 1.2s;
}
.panel{
font-family:Arial, Helvetica, sans-serif;
font-size:9px;
text-align:center;
width:26px;
height:26px;
top:36px;
left:36px;
border-radius:30px;
position:absolute;
line-height:28px;
color:#39a;
background:#444;
box-shadow:inset 0 1px 6px rgba(0,0,0,0.8);
border:1px solid #aaa;
transition: 1.2s;
-webkit-transition: 1.2s;
}
.slideButton:hover > .panel{
color:#6ef;
transition: 0.2s;
background:#445;
box-shadow:inset 0 1px 6px rgba(0,0,0,0.4);
text-shadow: 0 0 5px #fff;
}
$('.slideButton').each(function(){
var $el = $(this),
$sl = $el.find('.slider'),
$po = $el.find('.pointer'),
$pa = $el.find('.panel'),
rad = $el.width()/2 ,
elP = $el.offset(),
elPos = { x:elP.left, y:elP.top },
s = {d:0,p:0},
s2 = {d:s.d,p:s.p};
function d(e){
var mPos = {x: e.pageX-elPos.x,y: e.pageY-elPos.y};
var getAtan = Math.atan2(mPos.x-rad, mPos.y-rad);
s.d = -getAtan/(Math.PI/180) + 180;
s.p = Math.round(s.d*100/360);
$pa.text(s.p);
}
$el.mousemove(function(e){
d(e);
$el.css({backgroundColor: 'hsla(190, 90%, '+ s.p +'%, 1)'});
$sl.css({transform:'rotate('+ s.d +'deg)'});
}).click(function(){
s2 = {d:s.d, p:s.p};
$po.css({transform:'rotate('+ s.d +'deg)'});
}).mouseleave(function(){
$el.css({backgroundColor: 'hsla(190, 90%, '+ s2.p +'%, 1)'});
$sl.css({transition:'0.3s',transform:'rotate('+ s2.d +'deg)'});
setTimeout(function(){
$sl.css({transition:'0s'});
$pa.text(s2.p);
},210);
});
});