7.62% is the change from 407 to 438
Calculation steps:
[( 438 - 407 ) ÷ 407] x 100 = 7.62%
Formula
Percentage change = [(438 - 407) / 407] x 100
Subtract the new number by the original number
438 - 407 = 31
31 ÷ 407 = 0.07616707616707617
0.07616707616707617 x 100 = 7.62%