-25.3% is the change from 577 to 431
Calculation steps:
[( 431 - 577 ) ÷ 577] x 100 = -25.3%
Formula
Percentage change = [(431 - 577) / 577] x 100
Subtract the new number by the original number
431 - 577 = -146
-146 ÷ 577 = -0.2530329289428076
-0.2530329289428076 x 100 = -25.3%