Classic nodes just passed the 10% mark of total nodes, according to three sources: bitnodes, nodecounter and coin dance.
Here are the three screenshots:
Bitnodes: (http://bitnodes.21.co)
Nodecounter: (http://nodecounter.com - formerly http://xtnodes.com)
CoinDance: (http://coin.dance/nodes)
Quite impressive, especially for beta software!