-40.65% is the change from 829 to 492
Calculation steps:
[( 492 - 829 ) ÷ 829] x 100 = -40.65%
Formula
Percentage change = [(492 - 829) / 829] x 100
Subtract the new number by the original number
492 - 829 = -337
-337 ÷ 829 = -0.40651387213510254
-0.40651387213510254 x 100 = -40.65%