-0.91% is the change from 329 to 326
Calculation steps:
[( 326 - 329 ) ÷ 329] x 100 = -0.91%
Formula
Percentage change = [(326 - 329) / 329] x 100
Subtract the new number by the original number
326 - 329 = -3
-3 ÷ 329 = -0.00911854103343465
-0.00911854103343465 x 100 = -0.91%