48.15% is the change from 623 to 923
Calculation steps:
[( 923 - 623 ) ÷ 623] x 100 = 48.15%
Formula
Percentage change = [(923 - 623) / 623] x 100
Subtract the new number by the original number
923 - 623 = 300
300 ÷ 623 = 0.48154093097913325
0.48154093097913325 x 100 = 48.15%