-41.5% is the change from 829 to 485
Calculation steps:
[( 485 - 829 ) ÷ 829] x 100 = -41.5%
Formula
Percentage change = [(485 - 829) / 829] x 100
Subtract the new number by the original number
485 - 829 = -344
-344 ÷ 829 = -0.4149577804583836
-0.4149577804583836 x 100 = -41.5%