442.86% is the change from 7 to 38
Calculation steps:
[( 38 - 7 ) ÷ 7] x 100 = 442.86%
Formula
Percentage change = [(38 - 7) / 7] x 100
Subtract the new number by the original number
38 - 7 = 31
31 ÷ 7 = 4.428571428571429
4.428571428571429 x 100 = 442.86%