-7.97% is the change from 577 to 531
Calculation steps:
[( 531 - 577 ) ÷ 577] x 100 = -7.97%
Formula
Percentage change = [(531 - 577) / 577] x 100
Subtract the new number by the original number
531 - 577 = -46
-46 ÷ 577 = -0.07972270363951472
-0.07972270363951472 x 100 = -7.97%