8.28% is the change from 628 to 680
Calculation steps:
[( 680 - 628 ) ÷ 628] x 100 = 8.28%
Formula
Percentage change = [(680 - 628) / 628] x 100
Subtract the new number by the original number
680 - 628 = 52
52 ÷ 628 = 0.08280254777070063
0.08280254777070063 x 100 = 8.28%