If you look at the first chart in that article, bank teller employment peaked at a bit over 600,000. If you follow the link to the BLS projections given near the end of the article[1], you'll see that bank teller jobs in 2018 are down to 472,000 and expected to decline by another 58,000 over the next decade. Bank teller jobs per capita is declining more rapidly, since population is still growing.

[1] https://www.bls.gov/ooh/office-and-administrative-support/te...