-1.64% is the change from 912 to 897
Calculation steps:
[( 897 - 912 ) ÷ 912] x 100 = -1.64%
Formula
Percentage change = [(897 - 912) / 912] x 100
Subtract the new number by the original number
897 - 912 = -15
-15 ÷ 912 = -0.01644736842105263
-0.01644736842105263 x 100 = -1.64%