-26.83% is the change from 835 to 611
Calculation steps:
[( 611 - 835 ) ÷ 835] x 100 = -26.83%
Formula
Percentage change = [(611 - 835) / 835] x 100
Subtract the new number by the original number
611 - 835 = -224
-224 ÷ 835 = -0.2682634730538922
-0.2682634730538922 x 100 = -26.83%