It is more complicated than just one vote.
Click the link provided.
They are actually doing some sort of weighted average to get a percentage. 146 conservative votes, 12 liberal votes.. and then some weighting..
2 years with Reid in Control and two with the equally Disastrous McConnell and only 1 Liberal Vote, I'm surprised, BUT, very few have his conviction in the US Senate.
Texas is very Proud of our Senator.
He did Exactly what He said he's do when WE ELECTED HIM.