-27.3% is the change from 923 to 671
Calculation steps:
[( 671 - 923 ) ÷ 923] x 100 = -27.3%
Formula
Percentage change = [(671 - 923) / 923] x 100
Subtract the new number by the original number
671 - 923 = -252
-252 ÷ 923 = -0.27302275189599134
-0.27302275189599134 x 100 = -27.3%