-23.31% is the change from 326 to 250
Calculation steps:
[( 250 - 326 ) ÷ 326] x 100 = -23.31%
Formula
Percentage change = [(250 - 326) / 326] x 100
Subtract the new number by the original number
250 - 326 = -76
-76 ÷ 326 = -0.2331288343558282
-0.2331288343558282 x 100 = -23.31%