Futurology

Is that any different than the pill or other contraception methods?

That's not how those percentages are calculated. It's not per instance of intercourse, it's how many couples end up pregnant after being sexually active for a year. 99% means you have a 1% chance of getting a woman pregnant if you're sexually active throughout a year.

Bro, are you seriously against male contraception? The pill has failure rates of 9 friggin' percent of typical use. 99% for typical use would be amazing.

Or just the wrong hole at the wrong time.

If you combine it with the 99.9% (made up number) of condoms then you are pretty damn safe tho.