40.06% is the change from 664 to 930
Calculation steps:
[( 930 - 664 ) ÷ 664] x 100 = 40.06%
Formula
Percentage change = [(930 - 664) / 664] x 100
Subtract the new number by the original number
930 - 664 = 266
266 ÷ 664 = 0.4006024096385542
0.4006024096385542 x 100 = 40.06%