-49.7% is the change from 829 to 417
Calculation steps:
[( 417 - 829 ) ÷ 829] x 100 = -49.7%
Formula
Percentage change = [(417 - 829) / 829] x 100
Subtract the new number by the original number
417 - 829 = -412
-412 ÷ 829 = -0.4969843184559711
-0.4969843184559711 x 100 = -49.7%