-23.63% is the change from 677 to 517
Calculation steps:
[( 517 - 677 ) ÷ 677] x 100 = -23.63%
Formula
Percentage change = [(517 - 677) / 677] x 100
Subtract the new number by the original number
517 - 677 = -160
-160 ÷ 677 = -0.2363367799113737
-0.2363367799113737 x 100 = -23.63%