GUHSD offers an annual pension which is determined by multiplying:

years of service times $x$ average annual salary $($for the last $3$ years$)x$ the multiplier

The multipliers he is working with are:

$2\mathrm{.}20\%$ for $25$ years to $29\mathrm{.}99$ years

$2\mathrm{.}30\%$ for $30$ or more years

Megan Markel's average salary is $$94,000$ and has worked for $29$ years. She is ready to retire.

What is the percentage change in her annual pension for working $1$ more year?

Write your answer as a percentage rounded to the $10$th place.