-19.58% is the change from 429 to 345
Calculation steps:
[( 345 - 429 ) ÷ 429] x 100 = -19.58%
Formula
Percentage change = [(345 - 429) / 429] x 100
Subtract the new number by the original number
345 - 429 = -84
-84 ÷ 429 = -0.1958041958041958
-0.1958041958041958 x 100 = -19.58%