4.07% is the change from 123 to 128
Calculation steps:
[( 128 - 123 ) ÷ 123] x 100 = 4.07%
Formula
Percentage change = [(128 - 123) / 123] x 100
Subtract the new number by the original number
128 - 123 = 5
5 ÷ 123 = 0.04065040650406504
0.04065040650406504 x 100 = 4.07%