-71.8% is the change from 890 to 251
Calculation steps:
[( 251 - 890 ) ÷ 890] x 100 = -71.8%
Formula
Percentage change = [(251 - 890) / 890] x 100
Subtract the new number by the original number
251 - 890 = -639
-639 ÷ 890 = -0.7179775280898877
-0.7179775280898877 x 100 = -71.8%