This is one of my personal site which got badly affected from the current algorithm update. You can check in the following screenshot.
This was micro niche site on my site. traffic has fallen to big level.
The visitors has dropped off the in the previous two days with this page. Nevertheless, the ordinary position has stayed stable.
The visitors every day for this keyword was roughly 400 impressions with 6 clicks every day.
Same happened with my other website has traffic -50percent with no change in key word rankings (better if anything else ).
Another website has 105 percent + in visitors, and no change in keyword rankings.
Or that snippets was released into the key words I am ranking for. Or a few new advertisements they have introduced.