-65.89% is the change from 897 to 306
Calculation steps:
[( 306 - 897 ) ÷ 897] x 100 = -65.89%
Formula
Percentage change = [(306 - 897) / 897] x 100
Subtract the new number by the original number
306 - 897 = -591
-591 ÷ 897 = -0.6588628762541806
-0.6588628762541806 x 100 = -65.89%