-82.02% is the change from 923 to 166
Calculation steps:
[( 166 - 923 ) ÷ 923] x 100 = -82.02%
Formula
Percentage change = [(166 - 923) / 923] x 100
Subtract the new number by the original number
166 - 923 = -757
-757 ÷ 923 = -0.8201516793066089
-0.8201516793066089 x 100 = -82.02%