解码php中的ascii字符

Question

Some uploaded image path was stored in my database with some ASCII characters as so

Capture+d%E2%80%99e%CC%81cran+2014-08-15+a%CC%80+13.36.06.png

I tried to decode it using urldecode, icon, htmlspecialchars_decode, mb_convert_encoding, but I can't get my true file name

Capture d’écran 2014-08-15 à 13.36.06.png

How can it be ?

Edit using url decode outputs this

Capture d’eÌcran 2014-08-15 aÌ€ 13.36.06.png

html_entity_decode outputs this

Capture+d%E2%80%99e%CC%81cran+2014-08-15+a%CC%80+13.36.06.png