OK,
so i have this chart
http://jsfiddle.net/7bftp/
I set left Y legend max to 100, but it shows 150 :/

It MUST be to 100 because it’s represents %.
Second problem, why i don’t have sum of bars above it?
2323+125 should give me 2448 above first bar
You have to adjust the max value of other y-axis also
http://jsfiddle.net/diode/7bftp/1/
…