695.92% is the change from 49 to 390
Calculation steps:
[( 390 - 49 ) ÷ 49] x 100 = 695.92%
Formula
Percentage change = [(390 - 49) / 49] x 100
Subtract the new number by the original number
390 - 49 = 341
341 ÷ 49 = 6.959183673469388
6.959183673469388 x 100 = 695.92%