-48.4% is the change from 438 to 226
Calculation steps:
[( 226 - 438 ) ÷ 438] x 100 = -48.4%
Formula
Percentage change = [(226 - 438) / 438] x 100
Subtract the new number by the original number
226 - 438 = -212
-212 ÷ 438 = -0.4840182648401826
-0.4840182648401826 x 100 = -48.4%