how many percent was updated? where can we see? can wait for the switch.
I'd also like to know what percentage of the network has upgraded. Based on
http://p2pool-nodes.info/, its 96 nodes are still at < v13.0 and 32 at > v13.0, so around 25%.
p2pool-nodes.info only shows a portion of the public nodes. A bit over a week ago it was only showing 30-40 nodes but I was able to tweak my pool to attempt to explore and it found ~260 public nodes. p2pool-nodes.info hadn't found my public node for about 5-6 weeks. It finally updated last week sometime.
Treat p2pool-nodes.info as a sample, not an exhaustive list.