-23.83% is the change from 428 to 326
Calculation steps:
[( 326 - 428 ) ÷ 428] x 100 = -23.83%
Formula
Percentage change = [(326 - 428) / 428] x 100
Subtract the new number by the original number
326 - 428 = -102
-102 ÷ 428 = -0.2383177570093458
-0.2383177570093458 x 100 = -23.83%