-69.79% is the change from 897 to 271
Calculation steps:
[( 271 - 897 ) ÷ 897] x 100 = -69.79%
Formula
Percentage change = [(271 - 897) / 897] x 100
Subtract the new number by the original number
271 - 897 = -626
-626 ÷ 897 = -0.6978818283166109
-0.6978818283166109 x 100 = -69.79%