-47.65% is the change from 831 to 435
Calculation steps:
[( 435 - 831 ) ÷ 831] x 100 = -47.65%
Formula
Percentage change = [(435 - 831) / 831] x 100
Subtract the new number by the original number
435 - 831 = -396
-396 ÷ 831 = -0.47653429602888087
-0.47653429602888087 x 100 = -47.65%