Regarding stitches' answer on 3 Jan 2007, the way to calculate the percentage is:
P = t/n
P is percentage
T is total value
N is no of percentage.
So we change the position to find rate..
E.g.
Total value is 381,no of percentage is 5
so use the formula..
P= T/N
p=381/5
p=76.2%