-2.09% is the change from 909 to 890
Calculation steps:
[( 890 - 909 ) ÷ 909] x 100 = -2.09%
Formula
Percentage change = [(890 - 909) / 909] x 100
Subtract the new number by the original number
890 - 909 = -19
-19 ÷ 909 = -0.020902090209020903
-0.020902090209020903 x 100 = -2.09%