-4.9% is the change from 429 to 408
Calculation steps:
[( 408 - 429 ) ÷ 429] x 100 = -4.9%
Formula
Percentage change = [(408 - 429) / 429] x 100
Subtract the new number by the original number
408 - 429 = -21
-21 ÷ 429 = -0.04895104895104895
-0.04895104895104895 x 100 = -4.9%