New Post: How to create line charte on the basis of percentage using phpexcel

As i want Y axises label start from 30% to 100%.
and i am trying using below array but m not getting correct output.
is it right way to adding percentage in array.
e:g
$dataArray=array(
array('Q3', 'Mar', ' Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec', 'Jan','Feb'),

array('Y(%)','4.9%', '7.1%','8.3%', '9.3%',55.9%', '51.0%', '81.2%', '79.8%', '78.4%','73.4%','77.7%', '78.1%'),

array('Y(%)', '80.5%', '78.8%', '80.5%', '78.7%', '77.1%', '71.0%', '76.5%', '74.3%', '77.7%', '80.2%', '78.1%', '77.9%'),