-42.3% is the change from 565 to 326
Calculation steps:
[( 326 - 565 ) ÷ 565] x 100 = -42.3%
Formula
Percentage change = [(326 - 565) / 565] x 100
Subtract the new number by the original number
326 - 565 = -239
-239 ÷ 565 = -0.4230088495575221
-0.4230088495575221 x 100 = -42.3%