67.28% is the change from 324 to 542
Calculation steps:
[( 542 - 324 ) ÷ 324] x 100 = 67.28%
Formula
Percentage change = [(542 - 324) / 324] x 100
Subtract the new number by the original number
542 - 324 = 218
218 ÷ 324 = 0.6728395061728395
0.6728395061728395 x 100 = 67.28%