-6.99% is the change from 329 to 306
Calculation steps:
[( 306 - 329 ) ÷ 329] x 100 = -6.99%
Formula
Percentage change = [(306 - 329) / 329] x 100
Subtract the new number by the original number
306 - 329 = -23
-23 ÷ 329 = -0.06990881458966565
-0.06990881458966565 x 100 = -6.99%