-97.77% is the change from 448 to 10
Calculation steps:
[( 10 - 448 ) ÷ 448] x 100 = -97.77%
Formula
Percentage change = [(10 - 448) / 448] x 100
Subtract the new number by the original number
10 - 448 = -438
-438 ÷ 448 = -0.9776785714285714
-0.9776785714285714 x 100 = -97.77%