671.43% is the change from 7 to 54
Calculation steps:
[( 54 - 7 ) ÷ 7] x 100 = 671.43%
Formula
Percentage change = [(54 - 7) / 7] x 100
Subtract the new number by the original number
54 - 7 = 47
47 ÷ 7 = 6.714285714285714
6.714285714285714 x 100 = 671.43%