-71.91% is the change from 890 to 250
Calculation steps:
[( 250 - 890 ) ÷ 890] x 100 = -71.91%
Formula
Percentage change = [(250 - 890) / 890] x 100
Subtract the new number by the original number
250 - 890 = -640
-640 ÷ 890 = -0.7191011235955056
-0.7191011235955056 x 100 = -71.91%