668% is the change from 50 to 384
Calculation steps:
[( 384 - 50 ) ÷ 50] x 100 = 668%
Formula
Percentage change = [(384 - 50) / 50] x 100
Subtract the new number by the original number
384 - 50 = 334
334 ÷ 50 = 6.68
6.68 x 100 = 668%
Example