-2.87% is the change from 628 to 610
Calculation steps:
[( 610 - 628 ) ÷ 628] x 100 = -2.87%
Formula
Percentage change = [(610 - 628) / 628] x 100
Subtract the new number by the original number
610 - 628 = -18
-18 ÷ 628 = -0.028662420382165606
-0.028662420382165606 x 100 = -2.87%