28.14% is the change from 430 to 551
Calculation steps:
[( 551 - 430 ) ÷ 430] x 100 = 28.14%
Formula
Percentage change = [(551 - 430) / 430] x 100
Subtract the new number by the original number
551 - 430 = 121
121 ÷ 430 = 0.2813953488372093
0.2813953488372093 x 100 = 28.14%