-57.19% is the change from 932 to 399
Calculation steps:
[( 399 - 932 ) ÷ 932] x 100 = -57.19%
Formula
Percentage change = [(399 - 932) / 932] x 100
Subtract the new number by the original number
399 - 932 = -533
-533 ÷ 932 = -0.5718884120171673
-0.5718884120171673 x 100 = -57.19%