9.05% is the change from 232 to 253
Calculation steps:
[( 253 - 232 ) ÷ 232] x 100 = 9.05%
Formula
Percentage change = [(253 - 232) / 232] x 100
Subtract the new number by the original number
253 - 232 = 21
21 ÷ 232 = 0.09051724137931035
0.09051724137931035 x 100 = 9.05%