diff --git a/src/editpix.js b/src/editpix.js
index 56ef8f0..b5559d3 100644
--- a/src/editpix.js
+++ b/src/editpix.js
@@ -82,8 +82,6 @@ EditPix.prototype.toSepia = async function (image) {
 }
 
 EditPix.prototype.resizeByPercentage = async function (image, percentage) {
-    if (percentage < 1 || percentage > 100)
-        throw new Error("The percentage value is incorrect: it must be between 1 and 100");
     return this.imageManager.resizeByPercentage(image, percentage);
 }
 
diff --git a/src/image-manager.js b/src/image-manager.js
index 604929f..d1825ff 100644
--- a/src/image-manager.js
+++ b/src/image-manager.js
@@ -12,8 +12,8 @@ ImageManager.prototype.getPixelArray = async function (image) {
 }
 
 ImageManager.prototype.resizeByPercentage = async function (image, percentage) {
-    const newWidth = image.naturalWidth * (percentage / 100);
-    const newHeight = image.naturalHeight * (percentage / 100);
+    const newWidth = image.naturalWidth + image.naturalWidth * (percentage / 100);
+    const newHeight = image.naturalHeight + image.naturalHeight * (percentage / 100);
     this.canvas.width = newWidth;
     this.canvas.height = newHeight;
     this.context.drawImage(image, 0, 0, newWidth, newHeight);