-57.07% is the change from 927 to 398
Calculation steps:
[( 398 - 927 ) ÷ 927] x 100 = -57.07%
Formula
Percentage change = [(398 - 927) / 927] x 100
Subtract the new number by the original number
398 - 927 = -529
-529 ÷ 927 = -0.5706580366774542
-0.5706580366774542 x 100 = -57.07%