-42.34% is the change from 829 to 478
Calculation steps:
[( 478 - 829 ) ÷ 829] x 100 = -42.34%
Formula
Percentage change = [(478 - 829) / 829] x 100
Subtract the new number by the original number
478 - 829 = -351
-351 ÷ 829 = -0.4234016887816647
-0.4234016887816647 x 100 = -42.34%