Question

50;41 The change is increase or decrease?by ? %

Answer 1

50 to 41

$\begin{gathered} percent\text{ change = }\frac{new\text{ - old}}{|\text{old}|}\times100 \\ \text{percent change = }\frac{41-50}{|50|}\times100=-\frac{9}{50}\times100=-18 \\ \end{gathered}$

this is

decrease in 18 %

answer: decrease by 18%