-20.51% is the change from 429 to 341
Calculation steps:
[( 341 - 429 ) ÷ 429] x 100 = -20.51%
Formula
Percentage change = [(341 - 429) / 429] x 100
Subtract the new number by the original number
341 - 429 = -88
-88 ÷ 429 = -0.20512820512820512
-0.20512820512820512 x 100 = -20.51%