-12.9% is the change from 628 to 547
Calculation steps:
[( 547 - 628 ) ÷ 628] x 100 = -12.9%
Formula
Percentage change = [(547 - 628) / 628] x 100
Subtract the new number by the original number
547 - 628 = -81
-81 ÷ 628 = -0.12898089171974522
-0.12898089171974522 x 100 = -12.9%