308.2% is the change from 122 to 498
Calculation steps:
[( 498 - 122 ) ÷ 122] x 100 = 308.2%
Formula
Percentage change = [(498 - 122) / 122] x 100
Subtract the new number by the original number
498 - 122 = 376
376 ÷ 122 = 3.081967213114754
3.081967213114754 x 100 = 308.2%