-22.32% is the change from 448 to 348
Calculation steps:
[( 348 - 448 ) ÷ 448] x 100 = -22.32%
Formula
Percentage change = [(348 - 448) / 448] x 100
Subtract the new number by the original number
348 - 448 = -100
-100 ÷ 448 = -0.22321428571428573
-0.22321428571428573 x 100 = -22.32%