-71.13% is the change from 897 to 259
Calculation steps:
[( 259 - 897 ) ÷ 897] x 100 = -71.13%
Formula
Percentage change = [(259 - 897) / 897] x 100
Subtract the new number by the original number
259 - 897 = -638
-638 ÷ 897 = -0.7112597547380156
-0.7112597547380156 x 100 = -71.13%