303.61% is the change from 83 to 335
Calculation steps:
[( 335 - 83 ) ÷ 83] x 100 = 303.61%
Formula
Percentage change = [(335 - 83) / 83] x 100
Subtract the new number by the original number
335 - 83 = 252
252 ÷ 83 = 3.036144578313253
3.036144578313253 x 100 = 303.61%