-28.21% is the change from 677 to 486
Calculation steps:
[( 486 - 677 ) ÷ 677] x 100 = -28.21%
Formula
Percentage change = [(486 - 677) / 677] x 100
Subtract the new number by the original number
486 - 677 = -191
-191 ÷ 677 = -0.2821270310192024
-0.2821270310192024 x 100 = -28.21%