-82.34% is the change from 923 to 163
Calculation steps:
[( 163 - 923 ) ÷ 923] x 100 = -82.34%
Formula
Percentage change = [(163 - 923) / 923] x 100
Subtract the new number by the original number
163 - 923 = -760
-760 ÷ 923 = -0.8234019501625135
-0.8234019501625135 x 100 = -82.34%