-89.67% is the change from 329 to 34
Calculation steps:
[( 34 - 329 ) ÷ 329] x 100 = -89.67%
Formula
Percentage change = [(34 - 329) / 329] x 100
Subtract the new number by the original number
34 - 329 = -295
-295 ÷ 329 = -0.8966565349544073
-0.8966565349544073 x 100 = -89.67%