-3.23% is the change from 897 to 868
Calculation steps:
[( 868 - 897 ) ÷ 897] x 100 = -3.23%
Formula
Percentage change = [(868 - 897) / 897] x 100
Subtract the new number by the original number
868 - 897 = -29
-29 ÷ 897 = -0.032329988851727984
-0.032329988851727984 x 100 = -3.23%