-27.91% is the change from 928 to 669
Calculation steps:
[( 669 - 928 ) ÷ 928] x 100 = -27.91%
Formula
Percentage change = [(669 - 928) / 928] x 100
Subtract the new number by the original number
669 - 928 = -259
-259 ÷ 928 = -0.2790948275862069
-0.2790948275862069 x 100 = -27.91%