66.56% is the change from 326 to 543
Calculation steps:
[( 543 - 326 ) ÷ 326] x 100 = 66.56%
Formula
Percentage change = [(543 - 326) / 326] x 100
Subtract the new number by the original number
543 - 326 = 217
217 ÷ 326 = 0.6656441717791411
0.6656441717791411 x 100 = 66.56%