56.48% is the change from 324 to 507
Calculation steps:
[( 507 - 324 ) ÷ 324] x 100 = 56.48%
Formula
Percentage change = [(507 - 324) / 324] x 100
Subtract the new number by the original number
507 - 324 = 183
183 ÷ 324 = 0.5648148148148148
0.5648148148148148 x 100 = 56.48%