-12.58% is the change from 628 to 549
Calculation steps:
[( 549 - 628 ) ÷ 628] x 100 = -12.58%
Formula
Percentage change = [(549 - 628) / 628] x 100
Subtract the new number by the original number
549 - 628 = -79
-79 ÷ 628 = -0.12579617834394904
-0.12579617834394904 x 100 = -12.58%