65 000 ... 100%
3 000 ... x%
65000*x = 100*3000
65*x = 300
x = 300/65 = 4.61538%
after solving this proportion we see that the raise is 4.61538%
it is not clear to me up to what digit it needs to be rounded so i will offer several answers and you pick the one you need:
5%, 4.6%,4.62%.