69.44% is the change from 324 to 549
Calculation steps:
[( 549 - 324 ) ÷ 324] x 100 = 69.44%
Formula
Percentage change = [(549 - 324) / 324] x 100
Subtract the new number by the original number
549 - 324 = 225
225 ÷ 324 = 0.6944444444444444
0.6944444444444444 x 100 = 69.44%