I have a question about google chart

[2141...@qq.com]

Hi,Hello Everybody,I have a question about google chart,I draw
a statistical chart, The type of Y Axis is percent,but when I
hover mouse to data posin,The Tooltip is decimal, I want is show
percent 。
Do you understand ?

[asgallant]

You need to use a formatter on the DataTable column, like this:

var data = new google.visualization.DataTable();

// populate the DataTable

....

// format the second column in the DataTable 

var formatter = new google.visualization.NumberFormat({pattern: '#,###%'});

formatter.format(data, 1);