-17.5% is the change from 577 to 476
Calculation steps:
[( 476 - 577 ) ÷ 577] x 100 = -17.5%
Formula
Percentage change = [(476 - 577) / 577] x 100
Subtract the new number by the original number
476 - 577 = -101
-101 ÷ 577 = -0.17504332755632582
-0.17504332755632582 x 100 = -17.5%