67.07% is the change from 328 to 548
Calculation steps:
[( 548 - 328 ) ÷ 328] x 100 = 67.07%
Formula
Percentage change = [(548 - 328) / 328] x 100
Subtract the new number by the original number
548 - 328 = 220
220 ÷ 328 = 0.6707317073170732
0.6707317073170732 x 100 = 67.07%