-56.5% is the change from 731 to 318
Calculation steps:
[( 318 - 731 ) ÷ 731] x 100 = -56.5%
Formula
Percentage change = [(318 - 731) / 731] x 100
Subtract the new number by the original number
318 - 731 = -413
-413 ÷ 731 = -0.5649794801641587
-0.5649794801641587 x 100 = -56.5%