-56.91% is the change from 926 to 399
Calculation steps:
[( 399 - 926 ) ÷ 926] x 100 = -56.91%
Formula
Percentage change = [(399 - 926) / 926] x 100
Subtract the new number by the original number
399 - 926 = -527
-527 ÷ 926 = -0.5691144708423326
-0.5691144708423326 x 100 = -56.91%