355.56% is the change from 18 to 82
Calculation steps:
[( 82 - 18 ) ÷ 18] x 100 = 355.56%
Formula
Percentage change = [(82 - 18) / 18] x 100
Subtract the new number by the original number
82 - 18 = 64
64 ÷ 18 = 3.5555555555555554
3.5555555555555554 x 100 = 355.56%