-80.72% is the change from 923 to 178
Calculation steps:
[( 178 - 923 ) ÷ 923] x 100 = -80.72%
Formula
Percentage change = [(178 - 923) / 923] x 100
Subtract the new number by the original number
178 - 923 = -745
-745 ÷ 923 = -0.8071505958829902
-0.8071505958829902 x 100 = -80.72%