324.1% is the change from 83 to 352
Calculation steps:
[( 352 - 83 ) ÷ 83] x 100 = 324.1%
Formula
Percentage change = [(352 - 83) / 83] x 100
Subtract the new number by the original number
352 - 83 = 269
269 ÷ 83 = 3.2409638554216866
3.2409638554216866 x 100 = 324.1%