331.71% is the change from 82 to 354
Calculation steps:
[( 354 - 82 ) ÷ 82] x 100 = 331.71%
Formula
Percentage change = [(354 - 82) / 82] x 100
Subtract the new number by the original number
354 - 82 = 272
272 ÷ 82 = 3.317073170731707
3.317073170731707 x 100 = 331.71%