Help finding Function to put double datas into percentages

YES! Exactly! Of course I never thought of copying a first graph and using those points as reference. Thank you!

And what if I wanted to compare the two datas with eachother? Either like this: http://puu.sh/mWBeZ/3708bf6013.png or the other way around like this: http://puu.sh/mWBfD/4ef7f7652b.png ?