321.95% is the change from 82 to 346
Calculation steps:
[( 346 - 82 ) ÷ 82] x 100 = 321.95%
Formula
Percentage change = [(346 - 82) / 82] x 100
Subtract the new number by the original number
346 - 82 = 264
264 ÷ 82 = 3.2195121951219514
3.2195121951219514 x 100 = 321.95%