13.49% is the change from 304 to 345
Calculation steps:
[( 345 - 304 ) ÷ 304] x 100 = 13.49%
Formula
Percentage change = [(345 - 304) / 304] x 100
Subtract the new number by the original number
345 - 304 = 41
41 ÷ 304 = 0.13486842105263158
0.13486842105263158 x 100 = 13.49%