388.24% is the change from 102 to 498
Calculation steps:
[( 498 - 102 ) ÷ 102] x 100 = 388.24%
Formula
Percentage change = [(498 - 102) / 102] x 100
Subtract the new number by the original number
498 - 102 = 396
396 ÷ 102 = 3.8823529411764706
3.8823529411764706 x 100 = 388.24%