-39.96% is the change from 543 to 326
Calculation steps:
[( 326 - 543 ) ÷ 543] x 100 = -39.96%
Formula
Percentage change = [(326 - 543) / 543] x 100
Subtract the new number by the original number
326 - 543 = -217
-217 ÷ 543 = -0.3996316758747698
-0.3996316758747698 x 100 = -39.96%