-25.75% is the change from 897 to 666
Calculation steps:
[( 666 - 897 ) ÷ 897] x 100 = -25.75%
Formula
Percentage change = [(666 - 897) / 897] x 100
Subtract the new number by the original number
666 - 897 = -231
-231 ÷ 897 = -0.25752508361204013
-0.25752508361204013 x 100 = -25.75%