-27.69% is the change from 928 to 671
Calculation steps:
[( 671 - 928 ) ÷ 928] x 100 = -27.69%
Formula
Percentage change = [(671 - 928) / 928] x 100
Subtract the new number by the original number
671 - 928 = -257
-257 ÷ 928 = -0.2769396551724138
-0.2769396551724138 x 100 = -27.69%