23.37% is the change from 505 to 623
Calculation steps:
[( 623 - 505 ) ÷ 505] x 100 = 23.37%
Formula
Percentage change = [(623 - 505) / 505] x 100
Subtract the new number by the original number
623 - 505 = 118
118 ÷ 505 = 0.23366336633663368
0.23366336633663368 x 100 = 23.37%