-2.36% is the change from 849 to 829
Calculation steps:
[( 829 - 849 ) ÷ 849] x 100 = -2.36%
Formula
Percentage change = [(829 - 849) / 849] x 100
Subtract the new number by the original number
829 - 849 = -20
-20 ÷ 849 = -0.023557126030624265
-0.023557126030624265 x 100 = -2.36%