hi meli, nice to meet you here.
let me try to give you some suggestions.
The graph displays the percentage of English and French languages enrolled educators in Ontario from 2001 to 2007. The figures show that at the beginning of period, both languages teachers stood at nearly the same rate at 70% and the calculation has different result at the end of time frame. Overall, the French tutors have increased steadily while the English figured fall dramatically.
You do not need to go detail, especially in overview. You should avoid giving detail information (the percentage) in the overview. let me try to give you an example of it.
A breakdown of the percentage in language teachers recruitment in Ontario between 2001 and 2007 as a projected year, a six-year period is presented in the line graph. Overall, the greatest proportion of the recruitment was french-language teachers after overtaking the English teachers in the beginning of the period.