-47.89% is the change from 831 to 433
Calculation steps:
[( 433 - 831 ) ÷ 831] x 100 = -47.89%
Formula
Percentage change = [(433 - 831) / 831] x 100
Subtract the new number by the original number
433 - 831 = -398
-398 ÷ 831 = -0.4789410348977136
-0.4789410348977136 x 100 = -47.89%