-1.32% is the change from 909 to 897
Calculation steps:
[( 897 - 909 ) ÷ 909] x 100 = -1.32%
Formula
Percentage change = [(897 - 909) / 909] x 100
Subtract the new number by the original number
897 - 909 = -12
-12 ÷ 909 = -0.013201320132013201
-0.013201320132013201 x 100 = -1.32%