-55.92% is the change from 726 to 320
Calculation steps:
[( 320 - 726 ) ÷ 726] x 100 = -55.92%
Formula
Percentage change = [(320 - 726) / 726] x 100
Subtract the new number by the original number
320 - 726 = -406
-406 ÷ 726 = -0.559228650137741
-0.559228650137741 x 100 = -55.92%