-48.61% is the change from 829 to 426
Calculation steps:
[( 426 - 829 ) ÷ 829] x 100 = -48.61%
Formula
Percentage change = [(426 - 829) / 829] x 100
Subtract the new number by the original number
426 - 829 = -403
-403 ÷ 829 = -0.48612786489746684
-0.48612786489746684 x 100 = -48.61%