374.07% is the change from 81 to 384
Calculation steps:
[( 384 - 81 ) ÷ 81] x 100 = 374.07%
Formula
Percentage change = [(384 - 81) / 81] x 100
Subtract the new number by the original number
384 - 81 = 303
303 ÷ 81 = 3.740740740740741
3.740740740740741 x 100 = 374.07%