39.86% is the change from 429 to 600
Calculation steps:
[( 600 - 429 ) ÷ 429] x 100 = 39.86%
Formula
Percentage change = [(600 - 429) / 429] x 100
Subtract the new number by the original number
600 - 429 = 171
171 ÷ 429 = 0.3986013986013986
0.3986013986013986 x 100 = 39.86%