500% is the change from 83 to 498
Calculation steps:
[( 498 - 83 ) ÷ 83] x 100 = 500%
Formula
Percentage change = [(498 - 83) / 83] x 100
Subtract the new number by the original number
498 - 83 = 415
415 ÷ 83 = 5
5 x 100 = 500%
Example