55.32% is the change from 423 to 657
Calculation steps:
[( 657 - 423 ) ÷ 423] x 100 = 55.32%
Formula
Percentage change = [(657 - 423) / 423] x 100
Subtract the new number by the original number
657 - 423 = 234
234 ÷ 423 = 0.5531914893617021
0.5531914893617021 x 100 = 55.32%