457.14% is the change from 7 to 39
Calculation steps:
[( 39 - 7 ) ÷ 7] x 100 = 457.14%
Formula
Percentage change = [(39 - 7) / 7] x 100
Subtract the new number by the original number
39 - 7 = 32
32 ÷ 7 = 4.571428571428571
4.571428571428571 x 100 = 457.14%