-23.08% is the change from 429 to 330
Calculation steps:
[( 330 - 429 ) ÷ 429] x 100 = -23.08%
Formula
Percentage change = [(330 - 429) / 429] x 100
Subtract the new number by the original number
330 - 429 = -99
-99 ÷ 429 = -0.23076923076923078
-0.23076923076923078 x 100 = -23.08%