30.87% is the change from 230 to 301
Calculation steps:
[( 301 - 230 ) ÷ 230] x 100 = 30.87%
Formula
Percentage change = [(301 - 230) / 230] x 100
Subtract the new number by the original number
301 - 230 = 71
71 ÷ 230 = 0.30869565217391304
0.30869565217391304 x 100 = 30.87%