-56.17% is the change from 721 to 316
Calculation steps:
[( 316 - 721 ) ÷ 721] x 100 = -56.17%
Formula
Percentage change = [(316 - 721) / 721] x 100
Subtract the new number by the original number
316 - 721 = -405
-405 ÷ 721 = -0.5617198335644937
-0.5617198335644937 x 100 = -56.17%