-56.59% is the change from 721 to 313
Calculation steps:
[( 313 - 721 ) ÷ 721] x 100 = -56.59%
Formula
Percentage change = [(313 - 721) / 721] x 100
Subtract the new number by the original number
313 - 721 = -408
-408 ÷ 721 = -0.565880721220527
-0.565880721220527 x 100 = -56.59%