-83.33% is the change from 498 to 83
Calculation steps:
[( 83 - 498 ) ÷ 498] x 100 = -83.33%
Formula
Percentage change = [(83 - 498) / 498] x 100
Subtract the new number by the original number
83 - 498 = -415
-415 ÷ 498 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%