-42.46% is the change from 391 to 225
Calculation steps:
[( 225 - 391 ) ÷ 391] x 100 = -42.46%
Formula
Percentage change = [(225 - 391) / 391] x 100
Subtract the new number by the original number
225 - 391 = -166
-166 ÷ 391 = -0.42455242966751916
-0.42455242966751916 x 100 = -42.46%