-56.58% is the change from 737 to 320
Calculation steps:
[( 320 - 737 ) ÷ 737] x 100 = -56.58%
Formula
Percentage change = [(320 - 737) / 737] x 100
Subtract the new number by the original number
320 - 737 = -417
-417 ÷ 737 = -0.5658073270013568
-0.5658073270013568 x 100 = -56.58%