-1.21% is the change from 909 to 898
Calculation steps:
[( 898 - 909 ) ÷ 909] x 100 = -1.21%
Formula
Percentage change = [(898 - 909) / 909] x 100
Subtract the new number by the original number
898 - 909 = -11
-11 ÷ 909 = -0.0121012101210121
-0.0121012101210121 x 100 = -1.21%