how to round off the return value

hello anyone here wants to help me...i want the return value to be rounded off for example:
TotalComponent=235
PartialComponent=90
per=38.3%

but with this function i always get 0 % anyone here want to sugest what should be done

unsigned int CalculatePercentage(int TotalComponent,int PartialComponent){
int per;

per= (PartialComponent/TotalComponent)*100;
return (float)per;
}