-3.65% is the change from 931 to 897
Calculation steps:
[( 897 - 931 ) ÷ 931] x 100 = -3.65%
Formula
Percentage change = [(897 - 931) / 931] x 100
Subtract the new number by the original number
897 - 931 = -34
-34 ÷ 931 = -0.036519871106337275
-0.036519871106337275 x 100 = -3.65%