61.69% is the change from 308 to 498
Calculation steps:
[( 498 - 308 ) ÷ 308] x 100 = 61.69%
Formula
Percentage change = [(498 - 308) / 308] x 100
Subtract the new number by the original number
498 - 308 = 190
190 ÷ 308 = 0.6168831168831169
0.6168831168831169 x 100 = 61.69%