5700% is the change from 7 to 406
Calculation steps:
[( 406 - 7 ) ÷ 7] x 100 = 5700%
Formula
Percentage change = [(406 - 7) / 7] x 100
Subtract the new number by the original number
406 - 7 = 399
399 ÷ 7 = 57
57 x 100 = 5700%
Example