38.32% is the change from 668 to 924
Calculation steps:
[( 924 - 668 ) ÷ 668] x 100 = 38.32%
Formula
Percentage change = [(924 - 668) / 668] x 100
Subtract the new number by the original number
924 - 668 = 256
256 ÷ 668 = 0.38323353293413176
0.38323353293413176 x 100 = 38.32%