-57.31% is the change from 923 to 394
Calculation steps:
[( 394 - 923 ) ÷ 923] x 100 = -57.31%
Formula
Percentage change = [(394 - 923) / 923] x 100
Subtract the new number by the original number
394 - 923 = -529
-529 ÷ 923 = -0.5731310942578548
-0.5731310942578548 x 100 = -57.31%