-4.38% is the change from 890 to 851
Calculation steps:
[( 851 - 890 ) ÷ 890] x 100 = -4.38%
Formula
Percentage change = [(851 - 890) / 890] x 100
Subtract the new number by the original number
851 - 890 = -39
-39 ÷ 890 = -0.043820224719101124
-0.043820224719101124 x 100 = -4.38%