1.28% is the change from 235 to 238
Calculation steps:
[( 238 - 235 ) ÷ 235] x 100 = 1.28%
Formula
Percentage change = [(238 - 235) / 235] x 100
Subtract the new number by the original number
238 - 235 = 3
3 ÷ 235 = 0.01276595744680851
0.01276595744680851 x 100 = 1.28%