-25.46% is the change from 923 to 688
Calculation steps:
[( 688 - 923 ) ÷ 923] x 100 = -25.46%
Formula
Percentage change = [(688 - 923) / 923] x 100
Subtract the new number by the original number
688 - 923 = -235
-235 ÷ 923 = -0.25460455037919827
-0.25460455037919827 x 100 = -25.46%