88.7% is the change from 230 to 434
Calculation steps:
[( 434 - 230 ) ÷ 230] x 100 = 88.7%
Formula
Percentage change = [(434 - 230) / 230] x 100
Subtract the new number by the original number
434 - 230 = 204
204 ÷ 230 = 0.8869565217391304
0.8869565217391304 x 100 = 88.7%