-24.74% is the change from 679 to 511
Calculation steps:
[( 511 - 679 ) ÷ 679] x 100 = -24.74%
Formula
Percentage change = [(511 - 679) / 679] x 100
Subtract the new number by the original number
511 - 679 = -168
-168 ÷ 679 = -0.24742268041237114
-0.24742268041237114 x 100 = -24.74%