-23.4% is the change from 329 to 252
Calculation steps:
[( 252 - 329 ) ÷ 329] x 100 = -23.4%
Formula
Percentage change = [(252 - 329) / 329] x 100
Subtract the new number by the original number
252 - 329 = -77
-77 ÷ 329 = -0.23404255319148937
-0.23404255319148937 x 100 = -23.4%