-45.96% is the change from 829 to 448
Calculation steps:
[( 448 - 829 ) ÷ 829] x 100 = -45.96%
Formula
Percentage change = [(448 - 829) / 829] x 100
Subtract the new number by the original number
448 - 829 = -381
-381 ÷ 829 = -0.45958986731001206
-0.45958986731001206 x 100 = -45.96%