321.98% is the change from 91 to 384
Calculation steps:
[( 384 - 91 ) ÷ 91] x 100 = 321.98%
Formula
Percentage change = [(384 - 91) / 91] x 100
Subtract the new number by the original number
384 - 91 = 293
293 ÷ 91 = 3.21978021978022
3.21978021978022 x 100 = 321.98%