-55.68% is the change from 722 to 320
Calculation steps:
[( 320 - 722 ) ÷ 722] x 100 = -55.68%
Formula
Percentage change = [(320 - 722) / 722] x 100
Subtract the new number by the original number
320 - 722 = -402
-402 ÷ 722 = -0.556786703601108
-0.556786703601108 x 100 = -55.68%