-40.63% is the change from 448 to 266
Calculation steps:
[( 266 - 448 ) ÷ 448] x 100 = -40.63%
Formula
Percentage change = [(266 - 448) / 448] x 100
Subtract the new number by the original number
266 - 448 = -182
-182 ÷ 448 = -0.40625
-0.40625 x 100 = -40.63%