39.22% is the change from 668 to 930
Calculation steps:
[( 930 - 668 ) ÷ 668] x 100 = 39.22%
Formula
Percentage change = [(930 - 668) / 668] x 100
Subtract the new number by the original number
930 - 668 = 262
262 ÷ 668 = 0.39221556886227543
0.39221556886227543 x 100 = 39.22%