-63.99% is the change from 897 to 323
Calculation steps:
[( 323 - 897 ) ÷ 897] x 100 = -63.99%
Formula
Percentage change = [(323 - 897) / 897] x 100
Subtract the new number by the original number
323 - 897 = -574
-574 ÷ 897 = -0.6399108138238573
-0.6399108138238573 x 100 = -63.99%