-81.33% is the change from 900 to 168
Calculation steps:
[( 168 - 900 ) ÷ 900] x 100 = -81.33%
Formula
Percentage change = [(168 - 900) / 900] x 100
Subtract the new number by the original number
168 - 900 = -732
-732 ÷ 900 = -0.8133333333333334
-0.8133333333333334 x 100 = -81.33%