-17.52% is the change from 628 to 518
Calculation steps:
[( 518 - 628 ) ÷ 628] x 100 = -17.52%
Formula
Percentage change = [(518 - 628) / 628] x 100
Subtract the new number by the original number
518 - 628 = -110
-110 ÷ 628 = -0.1751592356687898
-0.1751592356687898 x 100 = -17.52%