-39.91% is the change from 897 to 539
Calculation steps:
[( 539 - 897 ) ÷ 897] x 100 = -39.91%
Formula
Percentage change = [(539 - 897) / 897] x 100
Subtract the new number by the original number
539 - 897 = -358
-358 ÷ 897 = -0.399108138238573
-0.399108138238573 x 100 = -39.91%