-17.68% is the change from 628 to 517
Calculation steps:
[( 517 - 628 ) ÷ 628] x 100 = -17.68%
Formula
Percentage change = [(517 - 628) / 628] x 100
Subtract the new number by the original number
517 - 628 = -111
-111 ÷ 628 = -0.1767515923566879
-0.1767515923566879 x 100 = -17.68%