6.25% is the change from 304 to 323
Calculation steps:
[( 323 - 304 ) ÷ 304] x 100 = 6.25%
Formula
Percentage change = [(323 - 304) / 304] x 100
Subtract the new number by the original number
323 - 304 = 19
19 ÷ 304 = 0.0625
0.0625 x 100 = 6.25%
Example