-11.61% is the change from 577 to 510
Calculation steps:
[( 510 - 577 ) ÷ 577] x 100 = -11.61%
Formula
Percentage change = [(510 - 577) / 577] x 100
Subtract the new number by the original number
510 - 577 = -67
-67 ÷ 577 = -0.11611785095320624
-0.11611785095320624 x 100 = -11.61%