-49.47% is the change from 849 to 429
Calculation steps:
[( 429 - 849 ) ÷ 849] x 100 = -49.47%
Formula
Percentage change = [(429 - 849) / 849] x 100
Subtract the new number by the original number
429 - 849 = -420
-420 ÷ 849 = -0.49469964664310956
-0.49469964664310956 x 100 = -49.47%