-54.18% is the change from 491 to 225
Calculation steps:
[( 225 - 491 ) ÷ 491] x 100 = -54.18%
Formula
Percentage change = [(225 - 491) / 491] x 100
Subtract the new number by the original number
225 - 491 = -266
-266 ÷ 491 = -0.5417515274949084
-0.5417515274949084 x 100 = -54.18%