49.69% is the change from 326 to 488
Calculation steps:
[( 488 - 326 ) ÷ 326] x 100 = 49.69%
Formula
Percentage change = [(488 - 326) / 326] x 100
Subtract the new number by the original number
488 - 326 = 162
162 ÷ 326 = 0.49693251533742333
0.49693251533742333 x 100 = 49.69%