-34.01% is the change from 494 to 326
Calculation steps:
[( 326 - 494 ) ÷ 494] x 100 = -34.01%
Formula
Percentage change = [(326 - 494) / 494] x 100
Subtract the new number by the original number
326 - 494 = -168
-168 ÷ 494 = -0.340080971659919
-0.340080971659919 x 100 = -34.01%