-11.44% is the change from 577 to 511
Calculation steps:
[( 511 - 577 ) ÷ 577] x 100 = -11.44%
Formula
Percentage change = [(511 - 577) / 577] x 100
Subtract the new number by the original number
511 - 577 = -66
-66 ÷ 577 = -0.11438474870017332
-0.11438474870017332 x 100 = -11.44%