-6.69% is the change from 329 to 307
Calculation steps:
[( 307 - 329 ) ÷ 329] x 100 = -6.69%
Formula
Percentage change = [(307 - 329) / 329] x 100
Subtract the new number by the original number
307 - 329 = -22
-22 ÷ 329 = -0.0668693009118541
-0.0668693009118541 x 100 = -6.69%