30.47% is the change from 233 to 304
Calculation steps:
[( 304 - 233 ) ÷ 233] x 100 = 30.47%
Formula
Percentage change = [(304 - 233) / 233] x 100
Subtract the new number by the original number
304 - 233 = 71
71 ÷ 233 = 0.30472103004291845
0.30472103004291845 x 100 = 30.47%