-81.8% is the change from 923 to 168
Calculation steps:
[( 168 - 923 ) ÷ 923] x 100 = -81.8%
Formula
Percentage change = [(168 - 923) / 923] x 100
Subtract the new number by the original number
168 - 923 = -755
-755 ÷ 923 = -0.8179848320693391
-0.8179848320693391 x 100 = -81.8%