-56.56% is the change from 739 to 321
Calculation steps:
[( 321 - 739 ) ÷ 739] x 100 = -56.56%
Formula
Percentage change = [(321 - 739) / 739] x 100
Subtract the new number by the original number
321 - 739 = -418
-418 ÷ 739 = -0.5656292286874154
-0.5656292286874154 x 100 = -56.56%