-4.21% is the change from 831 to 796
Calculation steps:
[( 796 - 831 ) ÷ 831] x 100 = -4.21%
Formula
Percentage change = [(796 - 831) / 831] x 100
Subtract the new number by the original number
796 - 831 = -35
-35 ÷ 831 = -0.0421179302045728
-0.0421179302045728 x 100 = -4.21%