-31.61% is the change from 329 to 225
Calculation steps:
[( 225 - 329 ) ÷ 329] x 100 = -31.61%
Formula
Percentage change = [(225 - 329) / 329] x 100
Subtract the new number by the original number
225 - 329 = -104
-104 ÷ 329 = -0.3161094224924012
-0.3161094224924012 x 100 = -31.61%