diff --git a/jquery.rwdImageMaps.js b/jquery.rwdImageMaps.js
index 93b3d0e..ae4e3ee 100644
--- a/jquery.rwdImageMaps.js
+++ b/jquery.rwdImageMaps.js
@@ -1,9 +1,9 @@
 /*
-* rwdImageMaps jQuery plugin v1.6
+* rwdImageMaps jQuery plugin v1.6
 *
 * Allows image maps to be used in a responsive design by recalculating the area coordinates to match the actual image size on load and window.resize
 *
-* Copyright (c) 2016 Matt Stow
+* Copyright (c) 2016 Matt Stow
 * https://github.com/stowball/jQuery-rwdImageMaps
 * http://mattstow.com
 * Licensed under the MIT license
@@ -11,22 +11,22 @@
 ;(function($) {
 	$.fn.rwdImageMaps = function() {
 		var $img = this;
-
+
 		var rwdImageMap = function() {
 			$img.each(function() {
 				if (typeof($(this).attr('usemap')) == 'undefined')
 					return;
-
+
 				var that = this,
 					$that = $(that);
-
+
 				// Since WebKit doesn't know the height until after the image has loaded, perform everything in an onload copy
-				$('<img />').on('load', function() {
+				$('<img />').on('load', function() {
 					var attrW = 'width',
 						attrH = 'height',
 						w = $that.attr(attrW),
 						h = $that.attr(attrH);
-
+
 					if (!w || !h) {
 						var temp = new Image();
 						temp.src = $that.attr('src');
@@ -35,25 +35,25 @@
 						if (!h)
 							h = temp.height;
 					}
-
-					var wPercent = $that.width()/100,
-						hPercent = $that.height()/100,
+
+					var wPercent = $that.width()/w,
+						hPercent = $that.height()/h,
 						map = $that.attr('usemap').replace('#', ''),
 						c = 'coords';
-
+
 					$('map[name="' + map + '"]').find('area').each(function() {
 						var $this = $(this);
 						if (!$this.data(c))
 							$this.data(c, $this.attr(c));
-
+
 						var coords = $this.data(c).split(','),
 							coordsPercent = new Array(coords.length);
-
+
 						for (var i = 0; i < coordsPercent.length; ++i) {
 							if (i % 2 === 0)
-								coordsPercent[i] = parseInt(((coords[i]/w)*100)*wPercent);
+								coordsPercent[i] = parseInt(coords[i]*wPercent);
 							else
-								coordsPercent[i] = parseInt(((coords[i]/h)*100)*hPercent);
+								coordsPercent[i] = parseInt(coords[i]*hPercent);
 						}
 						$this.attr(c, coordsPercent.toString());
 					});
@@ -61,7 +61,7 @@
 			});
 		};
 		$(window).resize(rwdImageMap).trigger('resize');
-
+
 		return this;
 	};
-})(jQuery);
+})(jQuery);
diff --git a/jquery.rwdImageMaps.min.js b/jquery.rwdImageMaps.min.js
index 61854cd..756daed 100644
--- a/jquery.rwdImageMaps.min.js
+++ b/jquery.rwdImageMaps.min.js
@@ -8,4 +8,4 @@
 * http://mattstow.com
 * Licensed under the MIT license
 */
-;(function(a){a.fn.rwdImageMaps=function(){var c=this;var b=function(){c.each(function(){if(typeof(a(this).attr("usemap"))=="undefined"){return}var e=this,d=a(e);a("<img />").on('load',function(){var g="width",m="height",n=d.attr(g),j=d.attr(m);if(!n||!j){var o=new Image();o.src=d.attr("src");if(!n){n=o.width}if(!j){j=o.height}}var f=d.width()/100,k=d.height()/100,i=d.attr("usemap").replace("#",""),l="coords";a('map[name="'+i+'"]').find("area").each(function(){var r=a(this);if(!r.data(l)){r.data(l,r.attr(l))}var q=r.data(l).split(","),p=new Array(q.length);for(var h=0;h<p.length;++h){if(h%2===0){p[h]=parseInt(((q[h]/n)*100)*f)}else{p[h]=parseInt(((q[h]/j)*100)*k)}}r.attr(l,p.toString())})}).attr("src",d.attr("src"))})};a(window).resize(b).trigger("resize");return this}})(jQuery);
+;(function(a){a.fn.rwdImageMaps=function(){var c=this;var b=function(){c.each(function(){if(typeof(a(this).attr("usemap"))=="undefined"){return}var e=this,d=a(e);a("<img />").on('load',function(){var g="width",m="height",n=d.attr(g),j=d.attr(m);if(!n||!j){var o=new Image();o.src=d.attr("src");if(!n){n=o.width}if(!j){j=o.height}}var f=d.width()/n,k=d.height()/j,i=d.attr("usemap").replace("#",""),l="coords";a('map[name="'+i+'"]').find("area").each(function(){var r=a(this);if(!r.data(l)){r.data(l,r.attr(l))}var q=r.data(l).split(","),p=new Array(q.length);for(var h=0;h<p.length;++h){if(h%2===0){p[h]=parseInt(q[h]*f)}else{p[h]=parseInt(q[h]*k)}}r.attr(l,p.toString())})}).attr("src",d.attr("src"))})};a(window).resize(b).trigger("resize");return this}})(jQuery);