32.17% is the change from 230 to 304
Calculation steps:
[( 304 - 230 ) ÷ 230] x 100 = 32.17%
Formula
Percentage change = [(304 - 230) / 230] x 100
Subtract the new number by the original number
304 - 230 = 74
74 ÷ 230 = 0.3217391304347826
0.3217391304347826 x 100 = 32.17%