23.9% is the change from 657 to 814
Calculation steps:
[( 814 - 657 ) ÷ 657] x 100 = 23.9%
Formula
Percentage change = [(814 - 657) / 657] x 100
Subtract the new number by the original number
814 - 657 = 157
157 ÷ 657 = 0.2389649923896499
0.2389649923896499 x 100 = 23.9%