-22.8% is the change from 421 to 325
Calculation steps:
[( 325 - 421 ) ÷ 421] x 100 = -22.8%
Formula
Percentage change = [(325 - 421) / 421] x 100
Subtract the new number by the original number
325 - 421 = -96
-96 ÷ 421 = -0.22802850356294538
-0.22802850356294538 x 100 = -22.8%