-28.77% is the change from 810 to 577
Calculation steps:
[( 577 - 810 ) ÷ 810] x 100 = -28.77%
Formula
Percentage change = [(577 - 810) / 810] x 100
Subtract the new number by the original number
577 - 810 = -233
-233 ÷ 810 = -0.2876543209876543
-0.2876543209876543 x 100 = -28.77%