-64.07% is the change from 899 to 323
Calculation steps:
[( 323 - 899 ) ÷ 899] x 100 = -64.07%
Formula
Percentage change = [(323 - 899) / 899] x 100
Subtract the new number by the original number
323 - 899 = -576
-576 ÷ 899 = -0.6407119021134594
-0.6407119021134594 x 100 = -64.07%