-5.06% is the change from 890 to 845
Calculation steps:
[( 845 - 890 ) ÷ 890] x 100 = -5.06%
Formula
Percentage change = [(845 - 890) / 890] x 100
Subtract the new number by the original number
845 - 890 = -45
-45 ÷ 890 = -0.05056179775280899
-0.05056179775280899 x 100 = -5.06%