39.53% is the change from 430 to 600
Calculation steps:
[( 600 - 430 ) ÷ 430] x 100 = 39.53%
Formula
Percentage change = [(600 - 430) / 430] x 100
Subtract the new number by the original number
600 - 430 = 170
170 ÷ 430 = 0.3953488372093023
0.3953488372093023 x 100 = 39.53%