On the Thameslink route between Bedford and Brighton (and connecting Gatwick and Luton airports), the rolling stock is being changed. The old class 319s are being replaced by new class 377/5s.

The new trains have a better ride, and a more up-to-date (but quirky) information system.

What they don't have is more seats.

The 319s had 319 seats in a 4-car set - certainly as built. Some sets were changed subsequently, and there is much grousing among seasoned commuters when a train rolls in with Sunny South Special seating, complete with bar snug area and fewer seats, designed for non-stop London - Brighton trains.

The 377/5s, however, seem to have 241 seats in a 4-car set.
I say "seem to" because the plates on the end of the cars says there are 241 standard class seats - even though there are first class seats at each end.

Let's assume they do have 241 seats - that's about 75% of the seating of a 319 (75.549, if you must!).

Aha, say the Department for Transport, who control these things, just wait a few years and all of the stations on the route will accommodate 12 car trains.

Well, yes, but it's here and now!

And a 12 car 377/5 only has 723 seats - 85 (26%) more than an 8-car 319.

Progress?