-81.91% is the change from 890 to 161
Calculation steps:
[( 161 - 890 ) ÷ 890] x 100 = -81.91%
Formula
Percentage change = [(161 - 890) / 890] x 100
Subtract the new number by the original number
161 - 890 = -729
-729 ÷ 890 = -0.8191011235955056
-0.8191011235955056 x 100 = -81.91%