What's the calc for -1% Base/JobEXP?

[Zephyr]

What's the calc for -1% Base/JobEXP?

[Euphy]

set BaseExp, (((NextBaseExp/100) < BaseExp)?(BaseExp-(NextBaseExp/100)):0);
set JobExp, (((NextJobExp/100) < JobExp)?(JobExp-(NextJobExp/100)):0);

[Zephyr]

Thanks!