5614.29% is the change from 7 to 400
Calculation steps:
[( 400 - 7 ) ÷ 7] x 100 = 5614.29%
Formula
Percentage change = [(400 - 7) / 7] x 100
Subtract the new number by the original number
400 - 7 = 393
393 ÷ 7 = 56.142857142857146
56.142857142857146 x 100 = 5614.29%