23% is the change from 100 to 123
Calculation steps:
[( 123 - 100 ) ÷ 100] x 100 = 23%
Formula
Percentage change = [(123 - 100) / 100] x 100
Subtract the new number by the original number
123 - 100 = 23
23 ÷ 100 = 0.23
0.23 x 100 = 23%
Example