-29.81% is the change from 577 to 405
Calculation steps:
[( 405 - 577 ) ÷ 577] x 100 = -29.81%
Formula
Percentage change = [(405 - 577) / 577] x 100
Subtract the new number by the original number
405 - 577 = -172
-172 ÷ 577 = -0.29809358752166376
-0.29809358752166376 x 100 = -29.81%
Example