398.7% is the change from 77 to 384
Calculation steps:
[( 384 - 77 ) ÷ 77] x 100 = 398.7%
Formula
Percentage change = [(384 - 77) / 77] x 100
Subtract the new number by the original number
384 - 77 = 307
307 ÷ 77 = 3.987012987012987
3.987012987012987 x 100 = 398.7%