-33.67% is the change from 401 to 266
Calculation steps:
[( 266 - 401 ) ÷ 401] x 100 = -33.67%
Formula
Percentage change = [(266 - 401) / 401] x 100
Subtract the new number by the original number
266 - 401 = -135
-135 ÷ 401 = -0.33665835411471323
-0.33665835411471323 x 100 = -33.67%