5571.43% is the change from 7 to 397
Calculation steps:
[( 397 - 7 ) ÷ 7] x 100 = 5571.43%
Formula
Percentage change = [(397 - 7) / 7] x 100
Subtract the new number by the original number
397 - 7 = 390
390 ÷ 7 = 55.714285714285715
55.714285714285715 x 100 = 5571.43%