I think that there should be more explanation to go with this question.
80 points of 340 is about 23.5% if that is any help :)
$${\frac{{\mathtt{80}}}{{\mathtt{340}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\frac{{\mathtt{400}}}{{\mathtt{17}}}} = {\mathtt{23.529\: \!411\: \!764\: \!705\: \!882\: \!4}}$$
I think that there should be more explanation to go with this question.
80 points of 340 is about 23.5% if that is any help :)
$${\frac{{\mathtt{80}}}{{\mathtt{340}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\frac{{\mathtt{400}}}{{\mathtt{17}}}} = {\mathtt{23.529\: \!411\: \!764\: \!705\: \!882\: \!4}}$$