48.63% is the change from 621 to 923
Calculation steps:
[( 923 - 621 ) ÷ 621] x 100 = 48.63%
Formula
Percentage change = [(923 - 621) / 621] x 100
Subtract the new number by the original number
923 - 621 = 302
302 ÷ 621 = 0.4863123993558776
0.4863123993558776 x 100 = 48.63%