361.45% is the change from 83 to 383
Calculation steps:
[( 383 - 83 ) ÷ 83] x 100 = 361.45%
Formula
Percentage change = [(383 - 83) / 83] x 100
Subtract the new number by the original number
383 - 83 = 300
300 ÷ 83 = 3.6144578313253013
3.6144578313253013 x 100 = 361.45%