-3.59% is the change from 835 to 805
Calculation steps:
[( 805 - 835 ) ÷ 835] x 100 = -3.59%
Formula
Percentage change = [(805 - 835) / 835] x 100
Subtract the new number by the original number
805 - 835 = -30
-30 ÷ 835 = -0.03592814371257485
-0.03592814371257485 x 100 = -3.59%