Image pixelating when reducing size

Good Day
I created a 1318x358 PNG (300DPI, Anti-Aliasing - Type Optimized) from Illustrator.
Now I reduced the image in photoshop from 1318 to 800 pixels, and it is creating some edge blurring.
Look at the image below.
How can I take away that blurring effect when reducing the size? Even if I save it as PNG-24, with highest quality settings, it still does that effect.
Thank you

That's normal and expected behavior with bitmapped images.
Also, the more decimals in the percentage of reduction while keeping the aspect ratio, the greater the number of artifacts.  That's why some pixels dimensions work better than others.
Try using vectors instead of pixels, or at least work with Smart Objects to minimize the artifacts.
The main problem here is that you are using the wrong application for that illustration, which clearly would be optimally drawn as vectors in Adobe Illustrator.

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