-1.91% is the change from 628 to 616
Calculation steps:
[( 616 - 628 ) ÷ 628] x 100 = -1.91%
Formula
Percentage change = [(616 - 628) / 628] x 100
Subtract the new number by the original number
616 - 628 = -12
-12 ÷ 628 = -0.01910828025477707
-0.01910828025477707 x 100 = -1.91%