9.57% is the change from 230 to 252
Calculation steps:
[( 252 - 230 ) ÷ 230] x 100 = 9.57%
Formula
Percentage change = [(252 - 230) / 230] x 100
Subtract the new number by the original number
252 - 230 = 22
22 ÷ 230 = 0.09565217391304348
0.09565217391304348 x 100 = 9.57%