220% is the change from 120 to 384
Calculation steps:
[( 384 - 120 ) ÷ 120] x 100 = 220%
Formula
Percentage change = [(384 - 120) / 120] x 100
Subtract the new number by the original number
384 - 120 = 264
264 ÷ 120 = 2.2
2.2 x 100 = 220%
Example