diff --git a/src/main/java/com/github/romankh3/image/comparison/ImageComparisonUtil.java b/src/main/java/com/github/romankh3/image/comparison/ImageComparisonUtil.java
index 0231095..2f89e5a 100644
--- a/src/main/java/com/github/romankh3/image/comparison/ImageComparisonUtil.java
+++ b/src/main/java/com/github/romankh3/image/comparison/ImageComparisonUtil.java
@@ -142,10 +142,11 @@ public static float getDifferencePercent(BufferedImage img1, BufferedImage img2)
         long diff = 0;
         for (int y = 0; y < height; y++) {
             for (int x = 0; x < width; x++) {
-                diff += pixelDiff(img1.getRGB(x, y), img2.getRGB(x, y));
+                if(img1.getRGB(x, y) != img2.getRGB(x, y))
+                    diff++;
             }
         }
-        long maxDiff = 3L * 255 * width * height;
+        long maxDiff = (long) width * height;
 
         return (float) (100.0 * diff / maxDiff);
     }
diff --git a/src/test/java/com/github/romankh3/image/comparison/ImageComparisonUnitTest.java b/src/test/java/com/github/romankh3/image/comparison/ImageComparisonUnitTest.java
index 73b9c49..36c9acb 100644
--- a/src/test/java/com/github/romankh3/image/comparison/ImageComparisonUnitTest.java
+++ b/src/test/java/com/github/romankh3/image/comparison/ImageComparisonUnitTest.java
@@ -436,7 +436,7 @@ public void shouldProperlyHandleIssue196() {
 
         //then
         assertEquals(MISMATCH, imageComparisonResult.getImageComparisonState());
-        assertEquals(0.4274517595767975, imageComparisonResult.getDifferencePercent());
+        assertEquals(0.6673570275306702, imageComparisonResult.getDifferencePercent());
         assertImagesEqual(expectedImage, imageComparisonResult.getResult());
     }
 
@@ -519,8 +519,22 @@ public void shouldProperlyCompareMisSizedImages() {
         //then
         assertEquals(SIZE_MISMATCH, imageComparisonResult.getImageComparisonState());
         assertEquals(0, imageComparisonResult.getRectangles().size());
-        boolean differenceLessThan2 = imageComparisonResult.getDifferencePercent() < 2;
-        assertTrue(differenceLessThan2);
+        assertTrue(imageComparisonResult.getDifferencePercent() <= 99.39796);
+    }
+
+    @DisplayName("Should properly get and set percentage of differences #233")
+    @Test
+    public void shouldProperlySetPercentageOfDifferences() {
+        //given
+        ImageComparison imageComparison = new ImageComparison("expected#196.png", "actual#196.png");
+
+        //when
+        float difPercent = imageComparison.compareImages().getDifferencePercent();
+        ImageComparisonResult imageComparisonResult = imageComparison.setAllowingPercentOfDifferentPixels(difPercent)
+                .compareImages();
+
+        //then
+        assertEquals(MATCH, imageComparisonResult.getImageComparisonState());
     }
 
     private void assertImagesEqual(BufferedImage expected, BufferedImage actual) {