-64.49% is the change from 904 to 321
Calculation steps:
[( 321 - 904 ) ÷ 904] x 100 = -64.49%
Formula
Percentage change = [(321 - 904) / 904] x 100
Subtract the new number by the original number
321 - 904 = -583
-583 ÷ 904 = -0.6449115044247787
-0.6449115044247787 x 100 = -64.49%