9.21% is the change from 304 to 332
Calculation steps:
[( 332 - 304 ) ÷ 304] x 100 = 9.21%
Formula
Percentage change = [(332 - 304) / 304] x 100
Subtract the new number by the original number
332 - 304 = 28
28 ÷ 304 = 0.09210526315789473
0.09210526315789473 x 100 = 9.21%