-26.71% is the change from 835 to 612
Calculation steps:
[( 612 - 835 ) ÷ 835] x 100 = -26.71%
Formula
Percentage change = [(612 - 835) / 835] x 100
Subtract the new number by the original number
612 - 835 = -223
-223 ÷ 835 = -0.26706586826347306
-0.26706586826347306 x 100 = -26.71%