-3.53% is the change from 651 to 628
Calculation steps:
[( 628 - 651 ) ÷ 651] x 100 = -3.53%
Formula
Percentage change = [(628 - 651) / 651] x 100
Subtract the new number by the original number
628 - 651 = -23
-23 ÷ 651 = -0.03533026113671275
-0.03533026113671275 x 100 = -3.53%