-93.01% is the change from 329 to 23
Calculation steps:
[( 23 - 329 ) ÷ 329] x 100 = -93.01%
Formula
Percentage change = [(23 - 329) / 329] x 100
Subtract the new number by the original number
23 - 329 = -306
-306 ÷ 329 = -0.9300911854103343
-0.9300911854103343 x 100 = -93.01%