-27.07% is the change from 447 to 326
Calculation steps:
[( 326 - 447 ) ÷ 447] x 100 = -27.07%
Formula
Percentage change = [(326 - 447) / 447] x 100
Subtract the new number by the original number
326 - 447 = -121
-121 ÷ 447 = -0.27069351230425054
-0.27069351230425054 x 100 = -27.07%