-31.08% is the change from 473 to 326
Calculation steps:
[( 326 - 473 ) ÷ 473] x 100 = -31.08%
Formula
Percentage change = [(326 - 473) / 473] x 100
Subtract the new number by the original number
326 - 473 = -147
-147 ÷ 473 = -0.3107822410147992
-0.3107822410147992 x 100 = -31.08%