40.49% is the change from 657 to 923
Calculation steps:
[( 923 - 657 ) ÷ 657] x 100 = 40.49%
Formula
Percentage change = [(923 - 657) / 657] x 100
Subtract the new number by the original number
923 - 657 = 266
266 ÷ 657 = 0.4048706240487062
0.4048706240487062 x 100 = 40.49%