75% isn't bad. 25% misplaced passes for an attacker who rarely gets to do an easy pass(and therefor boost his stats) and usually does difficult ones is pretty damn good. As Yasor said, the passing is not an issue for Vucinic and Giovinco.
75% means that their build up play sucks, that's it.
Giovinco - 75,5%
Serie A - 278/375, CL - 80/104
Vucinic - 72,4%
Serie A - 291/396, CL - 97/136
Matri - 75,1%
Serie A - 83/112, CL - 38/50
Quagliarella - 77,9%
Serie A - 141/185, CL - 35/44
Bendtner - 85.2%
Serie A - 98/115