39.16% is the change from 664 to 924
Calculation steps:
[( 924 - 664 ) ÷ 664] x 100 = 39.16%
Formula
Percentage change = [(924 - 664) / 664] x 100
Subtract the new number by the original number
924 - 664 = 260
260 ÷ 664 = 0.39156626506024095
0.39156626506024095 x 100 = 39.16%