296.39% is the change from 83 to 329
Calculation steps:
[( 329 - 83 ) ÷ 83] x 100 = 296.39%
Formula
Percentage change = [(329 - 83) / 83] x 100
Subtract the new number by the original number
329 - 83 = 246
246 ÷ 83 = 2.963855421686747
2.963855421686747 x 100 = 296.39%