98.39% is the change from 498 to 988
Calculation steps:
[( 988 - 498 ) ÷ 498] x 100 = 98.39%
Formula
Percentage change = [(988 - 498) / 498] x 100
Subtract the new number by the original number
988 - 498 = 490
490 ÷ 498 = 0.9839357429718876
0.9839357429718876 x 100 = 98.39%