74.61% is the change from 323 to 564
Calculation steps:
[( 564 - 323 ) ÷ 323] x 100 = 74.61%
Formula
Percentage change = [(564 - 323) / 323] x 100
Subtract the new number by the original number
564 - 323 = 241
241 ÷ 323 = 0.7461300309597523
0.7461300309597523 x 100 = 74.61%