50% is the change from 332 to 498
Calculation steps:
[( 498 - 332 ) ÷ 332] x 100 = 50%
Formula
Percentage change = [(498 - 332) / 332] x 100
Subtract the new number by the original number
498 - 332 = 166
166 ÷ 332 = 0.5
0.5 x 100 = 50%
Example