-29.65% is the change from 226 to 159
Calculation steps:
[( 159 - 226 ) ÷ 226] x 100 = -29.65%
Formula
Percentage change = [(159 - 226) / 226] x 100
Subtract the new number by the original number
159 - 226 = -67
-67 ÷ 226 = -0.29646017699115046
-0.29646017699115046 x 100 = -29.65%