Countup shortcode counts up to wrong number

[kevincrafts]

Depending on the number that you use in the countup shortcode (animated count from 0 to given number), the resulting number is 1 less than the number provided. For instance, using the number 230, the counter stops at 229.

https://www.colorado.edu/career/data-dashboard

This doesn't happen with all numbers and seems to have been an issue with this library, which is now very outdated:
bfintal/Counter-Up#75
bfintal/Counter-Up#62
bfintal/Counter-Up#47
bfintal/Counter-Up#36

This library has long since been abandoned, so perhaps it's time to look for something new. If we want to keep this, one work around may be exposing the time value (the time it takes to count), as it seems changing that from the default (2000ms) fixes some numbers.