-13.86% is the change from 577 to 497
Calculation steps:
[( 497 - 577 ) ÷ 577] x 100 = -13.86%
Formula
Percentage change = [(497 - 577) / 577] x 100
Subtract the new number by the original number
497 - 577 = -80
-80 ÷ 577 = -0.1386481802426343
-0.1386481802426343 x 100 = -13.86%