-23.36% is the change from 321 to 246
Calculation steps:
[( 246 - 321 ) ÷ 321] x 100 = -23.36%
Formula
Percentage change = [(246 - 321) / 321] x 100
Subtract the new number by the original number
246 - 321 = -75
-75 ÷ 321 = -0.2336448598130841
-0.2336448598130841 x 100 = -23.36%