9.87% is the change from 304 to 334
Calculation steps:
[( 334 - 304 ) ÷ 304] x 100 = 9.87%
Formula
Percentage change = [(334 - 304) / 304] x 100
Subtract the new number by the original number
334 - 304 = 30
30 ÷ 304 = 0.09868421052631579
0.09868421052631579 x 100 = 9.87%