25.6% is the change from 500 to 628
Calculation steps:
[( 628 - 500 ) ÷ 500] x 100 = 25.6%
Formula
Percentage change = [(628 - 500) / 500] x 100
Subtract the new number by the original number
628 - 500 = 128
128 ÷ 500 = 0.256
0.256 x 100 = 25.6%
Example