-57.1% is the change from 923 to 396
Calculation steps:
[( 396 - 923 ) ÷ 923] x 100 = -57.1%
Formula
Percentage change = [(396 - 923) / 923] x 100
Subtract the new number by the original number
396 - 923 = -527
-527 ÷ 923 = -0.570964247020585
-0.570964247020585 x 100 = -57.1%