69.14% is the change from 324 to 548
Calculation steps:
[( 548 - 324 ) ÷ 324] x 100 = 69.14%
Formula
Percentage change = [(548 - 324) / 324] x 100
Subtract the new number by the original number
548 - 324 = 224
224 ÷ 324 = 0.691358024691358
0.691358024691358 x 100 = 69.14%