7700% is the change from 5 to 390
Calculation steps:
[( 390 - 5 ) ÷ 5] x 100 = 7700%
Formula
Percentage change = [(390 - 5) / 5] x 100
Subtract the new number by the original number
390 - 5 = 385
385 ÷ 5 = 77
77 x 100 = 7700%
Example