6.91% is the change from 304 to 325
Calculation steps:
[( 325 - 304 ) ÷ 304] x 100 = 6.91%
Formula
Percentage change = [(325 - 304) / 304] x 100
Subtract the new number by the original number
325 - 304 = 21
21 ÷ 304 = 0.06907894736842106
0.06907894736842106 x 100 = 6.91%