-48.15% is the change from 837 to 434
Calculation steps:
[( 434 - 837 ) ÷ 837] x 100 = -48.15%
Formula
Percentage change = [(434 - 837) / 837] x 100
Subtract the new number by the original number
434 - 837 = -403
-403 ÷ 837 = -0.48148148148148145
-0.48148148148148145 x 100 = -48.15%