-57.49% is the change from 835 to 355
Calculation steps:
[( 355 - 835 ) ÷ 835] x 100 = -57.49%
Formula
Percentage change = [(355 - 835) / 835] x 100
Subtract the new number by the original number
355 - 835 = -480
-480 ÷ 835 = -0.5748502994011976
-0.5748502994011976 x 100 = -57.49%