-33.81% is the change from 491 to 325
Calculation steps:
[( 325 - 491 ) ÷ 491] x 100 = -33.81%
Formula
Percentage change = [(325 - 491) / 491] x 100
Subtract the new number by the original number
325 - 491 = -166
-166 ÷ 491 = -0.3380855397148676
-0.3380855397148676 x 100 = -33.81%