-64.27% is the change from 904 to 323
Calculation steps:
[( 323 - 904 ) ÷ 904] x 100 = -64.27%
Formula
Percentage change = [(323 - 904) / 904] x 100
Subtract the new number by the original number
323 - 904 = -581
-581 ÷ 904 = -0.6426991150442478
-0.6426991150442478 x 100 = -64.27%